diff --git a/bin/evd/src/main.rs b/bin/evd/src/main.rs
index 80bfcc9..724b89c 100644
--- a/bin/evd/src/main.rs
+++ b/bin/evd/src/main.rs
@@ -31,8 +31,8 @@
 //! # Start with default testapp genesis
 //! evd run
 //!
-//! # Start with a custom genesis file (e.g. for x402 demo)
-//! evd run --genesis-file examples/x402-demo/genesis.json
+//! # Start with a custom genesis file
+//! evd run --genesis-file path/to/genesis.json
 //!
 //! # Custom addresses
 //! evd run --grpc-addr 0.0.0.0:50051 --rpc-addr 0.0.0.0:8545
diff --git a/docs/x402-client-integration.md b/docs/x402-client-integration.md
deleted file mode 100644
index a293d52..0000000
--- a/docs/x402-client-integration.md
+++ /dev/null
@@ -1,648 +0,0 @@
-# X402 Integration Guide for Evolve
-
-How to build and consume [X402](https://x402.org)-protected APIs on the Evolve blockchain using JavaScript.
-
----
-
-## What is X402?
-
-X402 uses HTTP status code **402 (Payment Required)** to create a machine-readable payment flow between clients and APIs. Instead of API keys or subscriptions, each request is paid individually on-chain.
-
-```
-Client                          Server                         Evolve Node
-  │                               │                               │
-  │  1. POST /api/transform/hash  │                               │
-  │──────────────────────────────>│                               │
-  │                               │                               │
-  │  2. 402 + PAYMENT-REQUIRED    │                               │
-  │<──────────────────────────────│                               │
-  │                               │                               │
-  │  3. Token transfer tx         │                               │
-  │───────────────────────────────┼──────────────────────────────>│
-  │  4. txHash                    │                               │
-  │<──────────────────────────────┼───────────────────────────────│
-  │                               │                               │
-  │  5. POST + PAYMENT-SIGNATURE  │                               │
-  │──────────────────────────────>│                               │
-  │                               │  6. Verify tx on-chain        │
-  │                               │──────────────────────────────>│
-  │                               │<──────────────────────────────│
-  │                               │                               │
-  │  7. 200 + result              │                               │
-  │<──────────────────────────────│                               │
-```
-
----
-
-## Part 1: Building an X402-Protected Server
-
-This section shows how to create an API server that requires on-chain payment for access, using [Hono](https://hono.dev) and the `@x402` libraries.
-
-### Dependencies
-
-```json
-{
-  "hono": "^4.6.0",
-  "@x402/core": "^2.2.0",
-  "@x402/hono": "^2.2.0",
-  "viem": "^2.21.0"
-}
-```
-
-### Step 1: Define Routes and Pricing
-
-Each protected route needs a `RouteConfig` that specifies the payment scheme, price, and recipient.
-
-```typescript
-import type { Address } from "viem";
-import type { Network } from "@x402/core/types";
-import type { RouteConfig, RoutesConfig } from "@x402/core/http";
-
-const TREASURY_ADDRESS: Address = "0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC";
-const NETWORK: Network = "evolve:1337" as Network;
-
-function route(price: string, description: string): RouteConfig {
-  return {
-    accepts: { scheme: "exact", payTo: TREASURY_ADDRESS, price, network: NETWORK },
-    description,
-    mimeType: "application/json",
-  };
-}
-
-const PROTECTED_ROUTES: RoutesConfig = {
-  "POST /api/transform/echo":      route("100", "Echo - returns input unchanged"),
-  "POST /api/transform/reverse":   route("100", "Reverse - reverses input string"),
-  "POST /api/transform/uppercase": route("100", "Uppercase - uppercases input string"),
-  "POST /api/transform/hash":      route("200", "Hash - returns SHA256 of input"),
-};
-```
-
-The keys in `RoutesConfig` follow the format `"METHOD /path"`. The `price` is in raw token units (no decimals).
-
-### Step 2: Implement the Facilitator
-
-The facilitator verifies payment transactions on-chain and settles them. Implement the `FacilitatorClient` interface from `@x402/core/server`.
-
-```typescript
-import type {
-  PaymentPayload,
-  PaymentRequirements,
-  VerifyResponse,
-  SettleResponse,
-  SupportedResponse,
-  Network,
-} from "@x402/core/types";
-import type { FacilitatorClient } from "@x402/core/server";
-import { createPublicClient, http, defineChain } from "viem";
-
-const evolveChain = defineChain({
-  id: 1337,
-  name: "Evolve Testnet",
-  nativeCurrency: { decimals: 18, name: "Evolve Token", symbol: "EVO" },
-  rpcUrls: { default: { http: ["http://127.0.0.1:8545"] } },
-});
-
-const publicClient = createPublicClient({
-  chain: evolveChain,
-  transport: http("http://127.0.0.1:8545"),
-});
-
-class EvolveFacilitator implements FacilitatorClient {
-  private usedTxHashes = new Map<string, number>();
-  private network: Network;
-
-  constructor(network: Network) {
-    this.network = network;
-  }
-
-  async verify(
-    paymentPayload: PaymentPayload,
-    _paymentRequirements: PaymentRequirements,
-  ): Promise<VerifyResponse> {
-    // Evict stale entries (older than 1 hour)
-    const now = Date.now();
-    for (const [hash, ts] of this.usedTxHashes) {
-      if (now - ts > 3_600_000) this.usedTxHashes.delete(hash);
-    }
-
-    const txHash = paymentPayload.payload.txHash as string;
-
-    if (!txHash) {
-      return { isValid: false, invalidReason: "Missing transaction hash" };
-    }
-
-    if (this.usedTxHashes.has(txHash)) {
-      return { isValid: false, invalidReason: "Transaction already used" };
-    }
-
-    try {
-      const receipt = await publicClient.getTransactionReceipt({
-        hash: txHash as `0x${string}`,
-      });
-
-      if (receipt.status !== "success") {
-        return { isValid: false, invalidReason: "Transaction failed" };
-      }
-
-      return { isValid: true, payer: txHash.slice(0, 42) };
-    } catch {
-      return { isValid: false, invalidReason: "Transaction not found" };
-    }
-  }
-
-  async settle(
-    paymentPayload: PaymentPayload,
-    _paymentRequirements: PaymentRequirements,
-  ): Promise<SettleResponse> {
-    const txHash = paymentPayload.payload.txHash as string;
-    this.usedTxHashes.set(txHash, Date.now());
-
-    return {
-      success: true,
-      transaction: txHash,
-      network: this.network,
-      payer: txHash.slice(0, 42),
-    };
-  }
-
-  async getSupported(): Promise<SupportedResponse> {
-    return {
-      kinds: [{ x402Version: 2, scheme: "exact", network: this.network }],
-      extensions: [],
-      signers: {},
-    };
-  }
-}
-```
-
-`verify()` is called before your route handler runs. `settle()` is called after the handler returns a successful response. This prevents charging for failed requests.
-
-### Step 3: Implement the Scheme Server
-
-The scheme server tells the framework how to parse prices for your payment scheme.
-
-```typescript
-import type {
-  SchemeNetworkServer,
-  PaymentRequirements,
-  Network,
-  Price,
-  AssetAmount,
-} from "@x402/core/types";
-
-class EvolveSchemeServer implements SchemeNetworkServer {
-  readonly scheme = "exact";
-
-  async parsePrice(price: Price, _network: Network): Promise<AssetAmount> {
-    const amount =
-      typeof price === "object" && "amount" in price
-        ? price.amount
-        : String(price);
-    return { amount, asset: "native" };
-  }
-
-  async enhancePaymentRequirements(
-    paymentRequirements: PaymentRequirements,
-    _supportedKind: { x402Version: number; scheme: string; network: Network },
-    _facilitatorExtensions: string[],
-  ): Promise<PaymentRequirements> {
-    return paymentRequirements;
-  }
-}
-```
-
-For Evolve, prices are raw token amounts, so `parsePrice` just passes the value through.
-
-### Step 4: Wire It All Together
-
-```typescript
-import { Hono } from "hono";
-import { cors } from "hono/cors";
-import { x402ResourceServer } from "@x402/core/server";
-import { paymentMiddleware } from "@x402/hono";
-
-const app = new Hono();
-
-// CORS: expose x402 headers so clients can read them
-app.use("*", cors({
-  origin: "*",
-  allowHeaders: ["Content-Type", "PAYMENT-SIGNATURE", "X-Agent-ID"],
-  exposeHeaders: ["PAYMENT-REQUIRED", "PAYMENT-RESPONSE"],
-}));
-
-// Set up x402 resource server
-const facilitator = new EvolveFacilitator(NETWORK);
-const resourceServer = new x402ResourceServer(facilitator);
-resourceServer.register(NETWORK, new EvolveSchemeServer());
-
-// Apply payment middleware to protected routes
-app.use("/api/transform/*", paymentMiddleware(PROTECTED_ROUTES, resourceServer));
-
-// Pricing discovery endpoint (unprotected)
-app.get("/api/pricing", (c) => {
-  const endpoints = Object.entries(PROTECTED_ROUTES).map(([route, config]) => ({
-    route,
-    price: String((config as { accepts: { price: string } }).accepts.price),
-    description: (config as { description?: string }).description ?? "",
-  }));
-  return c.json({ treasury: TREASURY_ADDRESS, network: NETWORK, endpoints });
-});
-
-// Protected routes — only reachable after x402 payment
-app.post("/api/transform/echo", async (c) => {
-  const { input } = await c.req.json<{ input: string }>();
-  return c.json({ output: input, operation: "echo" });
-});
-
-app.post("/api/transform/reverse", async (c) => {
-  const { input } = await c.req.json<{ input: string }>();
-  return c.json({ output: input.split("").reverse().join(""), operation: "reverse" });
-});
-
-app.post("/api/transform/uppercase", async (c) => {
-  const { input } = await c.req.json<{ input: string }>();
-  return c.json({ output: input.toUpperCase(), operation: "uppercase" });
-});
-
-app.post("/api/transform/hash", async (c) => {
-  const { input } = await c.req.json<{ input: string }>();
-  const buf = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(input));
-  const hex = Array.from(new Uint8Array(buf)).map((b) => b.toString(16).padStart(2, "0")).join("");
-  return c.json({ output: `0x${hex}`, operation: "hash" });
-});
-
-export default app; // Works with Bun, Node, Deno, Cloudflare Workers, etc.
-```
-
-Any request to `/api/transform/*` without a valid `PAYMENT-SIGNATURE` header will receive a `402` response with a `PAYMENT-REQUIRED` header.
-
----
-
-## Part 2: Building a Client
-
-This section shows how to build a JS client that discovers pricing, pays on-chain, and accesses protected endpoints.
-
-### Dependencies
-
-```json
-{
-  "viem": "^2.21.0"
-}
-```
-
-### Step 1: Setup
-
-```typescript
-import {
-  createWalletClient,
-  createPublicClient,
-  http,
-  defineChain,
-  keccak256,
-  toBytes,
-  bytesToHex,
-} from "viem";
-import { privateKeyToAccount } from "viem/accounts";
-
-const evolveChain = defineChain({
-  id: 1337, // check via eth_chainId
-  name: "Evolve Testnet",
-  nativeCurrency: { decimals: 18, name: "Evolve", symbol: "EVO" },
-  rpcUrls: { default: { http: ["http://localhost:8545"] } },
-});
-
-const account = privateKeyToAccount("0xYOUR_PRIVATE_KEY");
-
-const walletClient = createWalletClient({
-  account,
-  chain: evolveChain,
-  transport: http("http://localhost:8545"),
-});
-
-const publicClient = createPublicClient({
-  chain: evolveChain,
-  transport: http("http://localhost:8545"),
-});
-```
-
-### Step 2: Evolve Helpers
-
-Evolve uses its own calldata encoding for token transfers. You need these helper functions (see [Evolve Reference](#evolve-reference) for details):
-
-```typescript
-function addressToAccountId(address: `0x${string}`): bigint {
-  return BigInt(`0x${address.slice(10)}`);
-}
-
-function accountIdToAddress(id: bigint): `0x${string}` {
-  const idBytes = new Uint8Array(16);
-  let v = id;
-  for (let i = 15; i >= 0; i--) {
-    idBytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  const addrBytes = new Uint8Array(20);
-  addrBytes.set(idBytes, 4);
-  return bytesToHex(addrBytes) as `0x${string}`;
-}
-
-function u128ToLeBytes(value: bigint): Uint8Array {
-  const bytes = new Uint8Array(16);
-  let v = value;
-  for (let i = 0; i < 16; i++) {
-    bytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  return bytes;
-}
-
-function buildTransferData(toAccountId: bigint, amount: bigint): `0x${string}` {
-  const selector = keccak256(toBytes("transfer")).slice(0, 10);
-  const args = new Uint8Array(32);
-  args.set(u128ToLeBytes(toAccountId), 0);
-  args.set(u128ToLeBytes(amount), 16);
-  const data = new Uint8Array(4 + args.length);
-  data.set(Buffer.from(selector.slice(2), "hex"), 0);
-  data.set(args, 4);
-  return bytesToHex(data) as `0x${string}`;
-}
-```
-
-### Step 3: Submit Payment
-
-```typescript
-const TOKEN_ACCOUNT_CANDIDATES = [65535n, 65537n];
-
-async function submitPayment(payTo: `0x${string}`, amount: bigint): Promise<`0x${string}`> {
-  const recipientAccountId = addressToAccountId(payTo);
-
-  for (const tokenAccountId of TOKEN_ACCOUNT_CANDIDATES) {
-    const tokenAddress = accountIdToAddress(tokenAccountId);
-    const data = buildTransferData(recipientAccountId, amount);
-
-    try {
-      const txHash = await walletClient.sendTransaction({
-        to: tokenAddress,
-        data,
-        value: 0n,
-        gas: 100_000n,
-        maxFeePerGas: 1_000_000_000n,
-        maxPriorityFeePerGas: 1_000_000_000n,
-      });
-
-      const receipt = await publicClient.waitForTransactionReceipt({ hash: txHash });
-      if (receipt.status === "success") return txHash;
-    } catch {
-      // Try next token account candidate
-    }
-  }
-  throw new Error("Failed to submit payment");
-}
-```
-
-The token contract AccountId varies by genesis (commonly `65535` or `65537`). The client tries both candidates until one succeeds.
-
-### Step 4: Complete Payment Flow
-
-This function handles the full cycle: request -> 402 -> pay -> retry.
-
-```typescript
-async function callPaidEndpoint(
-  url: string,
-  method: string,
-  body: unknown,
-): Promise<Response> {
-  // 1. Initial request
-  const initialResponse = await fetch(url, {
-    method,
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify(body),
-  });
-
-  if (initialResponse.status !== 402) {
-    return initialResponse;
-  }
-
-  // 2. Parse payment requirement
-  const paymentHeader = initialResponse.headers.get("PAYMENT-REQUIRED");
-  if (!paymentHeader) throw new Error("402 without PAYMENT-REQUIRED header");
-
-  const paymentRequired = JSON.parse(
-    Buffer.from(paymentHeader, "base64").toString("utf-8")
-  );
-
-  const requirement = paymentRequired.accepts[0];
-
-  // 3. Pay on-chain
-  const txHash = await submitPayment(
-    requirement.payTo as `0x${string}`,
-    BigInt(requirement.amount)
-  );
-
-  // 4. Build v2 payment proof
-  const paymentPayload = {
-    x402Version: 2,
-    resource: paymentRequired.resource,
-    accepted: requirement,
-    payload: { txHash },
-  };
-
-  const paymentSignature = Buffer.from(
-    JSON.stringify(paymentPayload)
-  ).toString("base64");
-
-  // 5. Retry with proof
-  return fetch(url, {
-    method,
-    headers: {
-      "Content-Type": "application/json",
-      "PAYMENT-SIGNATURE": paymentSignature,
-    },
-    body: JSON.stringify(body),
-  });
-}
-```
-
-### Usage
-
-```typescript
-// Discover pricing
-const pricing = await fetch("http://localhost:3000/api/pricing").then(r => r.json());
-console.log(pricing.endpoints);
-// [{ route: "POST /api/transform/echo", price: "100", description: "..." }, ...]
-
-// Make a paid request
-const response = await callPaidEndpoint(
-  "http://localhost:3000/api/transform/reverse",
-  "POST",
-  { input: "hello world" }
-);
-
-const result = await response.json();
-// { "output": "dlrow olleh", "operation": "reverse" }
-```
-
----
-
-## Evolve Reference
-
-### Address Mapping
-
-Evolve uses 128-bit `AccountId` internally. Ethereum addresses (20 bytes) embed the AccountId in the last 16 bytes:
-
-```
-Ethereum address: 0x 0000 0000 3C44CdDdB6a900fa2b585dd299e03d12FA4293BC
-                       ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-                       padding   AccountId (16 bytes = 128 bits)
-```
-
-- `addressToAccountId(address)`: strips the `0x` prefix and 4-byte padding, returns the remaining 16 bytes as a bigint.
-- `accountIdToAddress(id)`: writes the bigint as 16 big-endian bytes, prepends 4 zero bytes, returns as `0x`-prefixed hex.
-
-### Calldata Encoding
-
-Evolve uses its own ABI convention, different from Solidity:
-
-```
-[4 bytes]  Function selector = keccak256("transfer")[0..4] = 0xb483afd3
-[16 bytes] Recipient AccountId (little-endian u128)
-[16 bytes] Amount (little-endian u128)
-```
-
-Total: **36 bytes** of calldata.
-
-The selector `0xb483afd3` comes from hashing just the string `"transfer"`. Solidity would hash `"transfer(address,uint256)"` producing `0xa9059cbb` — these are different.
-
-### Token Transfers (not native value)
-
-Evolve's execution layer ignores the `value` field on transactions. Payments are made via **token contract calldata**:
-
-```
-Transaction:
-  to:    <token contract address>   (derived from AccountId 65535 or 65537)
-  value: 0
-  data:  <transfer calldata>        (36 bytes, see above)
-```
-
-### Chain Configuration
-
-| Parameter | Default | How to Discover |
-|-----------|---------|-----------------|
-| Chain ID | 1337 | `eth_chainId` RPC call |
-| Token AccountId | 65535 or 65537 | Check genesis or try both |
-| RPC URL | `http://localhost:8545` | Server config |
-| Gas limit per tx | 100,000 | Sufficient for token transfers |
-| Network identifier | `evolve:1337` | `evolve:{chainId}` |
-
-### Nonce Management
-
-Under load, `eth_getTransactionCount` may lag. For high-throughput clients:
-
-1. Fetch nonce once at startup via `eth_getTransactionCount` with `blockTag: "pending"`
-2. Increment locally for each subsequent transaction
-3. If you get a "nonce too high" error, re-fetch from the node
-
----
-
-## Protocol Reference (v2)
-
-### Headers
-
-| Header | Direction | Encoding | Description |
-|--------|-----------|----------|-------------|
-| `PAYMENT-REQUIRED` | Server -> Client | Base64 JSON | Payment requirements |
-| `PAYMENT-SIGNATURE` | Client -> Server | Base64 JSON | Payment proof |
-| `PAYMENT-RESPONSE` | Server -> Client | Base64 JSON | Settlement confirmation |
-| `X-Agent-ID` | Client -> Server | Plain text | Optional: identify the paying agent |
-
-### PaymentRequired (Server -> Client)
-
-```typescript
-{
-  x402Version: 2,
-  error: "payment_required",
-  resource: {
-    url: string,         // Requested URL
-    description: string, // Human-readable description
-    mimeType: string,    // e.g. "application/json"
-  },
-  accepts: [{
-    scheme: "exact",
-    network: string,   // e.g. "evolve:1337"
-    asset: string,     // e.g. "native"
-    amount: string,    // Price in token units
-    payTo: string,     // Treasury Ethereum address
-    maxTimeoutSeconds: number,
-    extra?: Record<string, unknown>,
-  }],
-}
-```
-
-### PaymentPayload (Client -> Server)
-
-```typescript
-{
-  x402Version: 2,
-  resource: {
-    url: string,         // Echo from PaymentRequired
-    description: string,
-    mimeType: string,
-  },
-  accepted: {            // Echo back the chosen option from accepts[0]
-    scheme: "exact",
-    network: string,
-    asset: string,
-    amount: string,
-    payTo: string,
-    maxTimeoutSeconds: number,
-    extra?: Record<string, unknown>,
-  },
-  payload: {
-    txHash: string,      // On-chain transaction hash (0x-prefixed)
-  },
-}
-```
-
-### PaymentSettled (Server -> Client)
-
-Returned in the `PAYMENT-RESPONSE` header on successful payment:
-
-```typescript
-{
-  x402Version: 2,
-  success: boolean,
-  transaction?: string,  // Confirmed txHash
-  network: string,
-  payer?: string,
-  error?: string,
-}
-```
-
----
-
-## Error Handling
-
-| HTTP Status | Meaning | Action |
-|-------------|---------|--------|
-| 402 (no PAYMENT-SIGNATURE) | Payment required | Parse PAYMENT-REQUIRED, pay, retry |
-| 402 (with PAYMENT-SIGNATURE) | Verification failed | Check tx status, amount, or replay |
-| 400 | Invalid payment header | Fix base64 encoding or payload format |
-| 503 | Evolve node unavailable | Retry later |
-| 200 | Success | Parse result from response body |
-
-Common verification errors:
-
-```json
-{"error": "Payment verification failed", "reason": "Transaction not found"}
-{"error": "Payment verification failed", "reason": "Transaction failed"}
-{"error": "Payment verification failed", "reason": "Transaction already used"}
-```
-
----
-
-## Security Considerations
-
-- **Replay protection**: Each `txHash` can only be used once. The server caches used hashes.
-- **Transaction timeout**: Payments must be submitted within `maxTimeoutSeconds` (default 300s).
-- **On-chain verification**: The server verifies the transaction receipt on the Evolve node before granting access.
-- **No API keys**: Authentication is purely based on on-chain payment proof.
diff --git a/docs/x402-demo-requirements.md b/docs/x402-demo-requirements.md
deleted file mode 100644
index 69b3694..0000000
--- a/docs/x402-demo-requirements.md
+++ /dev/null
@@ -1,193 +0,0 @@
-# X402 Payments Demo
-
-## Overview
-
-Demo showcasing Evolve SDK through pay-per-request API monetization using the [Coinbase X402 protocol](https://x402.org).
-
-X402 uses HTTP 402 (Payment Required) for machine-readable payment flows: client requests resource → server returns 402 with payment details → client pays → client retries with proof → server delivers resource.
-
-## Decisions
-
-| Aspect           | Decision                                      |
-|------------------|-----------------------------------------------|
-| Use Case         | API Monetization (pay-per-request)            |
-| X402 Libraries   | `@x402/core` types + custom Evolve middleware |
-| Frontend         | React + Vite + `@x402/fetch`                  |
-| Wallet           | Passkey/WebAuthn (server-side signing)        |
-| Token            | Native Evolve Token                           |
-| Backend          | Bun + Hono                                    |
-| Deployment       | Fly.io (node + server) + Vercel (frontend)    |
-
----
-
-## Architecture
-
-```
-┌─────────────────────────────────────────────────────────────┐
-│                    Frontend (React)                          │
-│  - @x402/fetch handles 402 → pay → retry automatically      │
-│  - @simplewebauthn/browser for passkey auth                 │
-└─────────────────────────────┬───────────────────────────────┘
-                              │
-┌─────────────────────────────▼───────────────────────────────┐
-│                    Bun + Hono Server                         │
-│                                                              │
-│  ┌────────────────────────────────────────────────────────┐ │
-│  │ Passkey Auth (@simplewebauthn/server)                  │ │
-│  │ - WebAuthn registration/authentication                 │ │
-│  │ - Maps credentialId → secp256k1 keypair                │ │
-│  └────────────────────────────────────────────────────────┘ │
-│  ┌────────────────────────────────────────────────────────┐ │
-│  │ X402 Middleware (custom, uses @x402/core types)        │ │
-│  │ - Returns 402 with PaymentRequired per X402 spec       │ │
-│  │ - Verifies payment via Evolve JSON-RPC                 │ │
-│  └────────────────────────────────────────────────────────┘ │
-│  ┌────────────────────────────────────────────────────────┐ │
-│  │ Transform API                                          │ │
-│  │ - /echo, /reverse, /uppercase, /hash                   │ │
-│  └────────────────────────────────────────────────────────┘ │
-└─────────────────────────────┬───────────────────────────────┘
-                              │ JSON-RPC
-┌─────────────────────────────▼───────────────────────────────┐
-│                      Evolve Node                             │
-│  - Token balances and transfers                              │
-│  - Transaction processing                                    │
-└─────────────────────────────────────────────────────────────┘
-```
-
-### Why Custom Middleware?
-
-The Coinbase X402 libraries assume a facilitator (Coinbase/Cloudflare) for payment settlement. We verify directly against Evolve node, so we:
-- Use `@x402/core` for protocol types (`PaymentRequired`, `PaymentPayload`)
-- Write custom Hono middleware for Evolve-specific verification
-- Use `@x402/fetch` on frontend for automatic 402 handling
-
----
-
-## X402 Flow
-
-```
-1. GET /api/transform/reverse
-
-2. Server returns 402 with X402-compliant headers:
-   HTTP/1.1 402 Payment Required
-   X-Payment: <base64-encoded PaymentRequired>
-
-3. @x402/fetch intercepts, calls payment callback
-
-4. Client pays via /wallet/transfer → gets txHash
-
-5. @x402/fetch retries with payment proof:
-   GET /api/transform/reverse
-   X-Payment-Response: <base64-encoded PaymentPayload>
-
-6. Server verifies on Evolve node, returns resource
-```
-
----
-
-## Directory Structure
-
-```
-examples/x402-demo/
-├── docker-compose.yml
-├── server/
-│   ├── package.json
-│   └── src/
-│       ├── index.ts
-│       ├── x402.ts           # Custom middleware + verification
-│       ├── passkey.ts        # WebAuthn registration/auth
-│       ├── wallet.ts         # Balance, transfer, faucet
-│       ├── transform.ts      # Protected API endpoints
-│       └── evolve.ts         # JSON-RPC client
-└── frontend/
-    ├── package.json
-    └── src/
-        ├── App.tsx
-        ├── pages/
-        │   ├── Landing.tsx
-        │   ├── Wallet.tsx
-        │   └── Playground.tsx
-        ├── hooks/
-        │   ├── usePasskey.ts
-        │   └── useX402Client.ts  # Wraps @x402/fetch
-        └── lib/
-            └── api.ts
-```
-
----
-
-## API Endpoints
-
-### Auth
-```
-POST /auth/register      → WebAuthn registration options
-POST /auth/register/verify → Complete registration, return address
-POST /auth/login         → WebAuthn auth options
-POST /auth/login/verify  → Complete auth, return session token
-```
-
-### Wallet
-```
-GET  /wallet/balance     → { address, balance }
-POST /wallet/faucet      → { txHash, newBalance }
-POST /wallet/transfer    → { txHash }
-```
-
-### Transform (X402 Protected)
-```
-POST /api/transform/echo      → 100 tokens
-POST /api/transform/reverse   → 100 tokens
-POST /api/transform/uppercase → 100 tokens
-POST /api/transform/hash      → 200 tokens
-```
-
----
-
-## Dependencies
-
-### Server
-```json
-{
-  "dependencies": {
-    "hono": "^4.0.0",
-    "@x402/core": "latest",
-    "@simplewebauthn/server": "^9.0.0",
-    "viem": "^2.0.0"
-  }
-}
-```
-
-### Frontend
-```json
-{
-  "dependencies": {
-    "react": "^18.0.0",
-    "react-router-dom": "^6.0.0",
-    "@x402/fetch": "latest",
-    "@simplewebauthn/browser": "^9.0.0",
-    "@tanstack/react-query": "^5.0.0"
-  }
-}
-```
-
----
-
-## Implementation Phases
-
-| Phase | Scope |
-|-------|-------|
-| 1     | Bun/Hono skeleton, Evolve JSON-RPC client, balance query |
-| 2     | X402 middleware using @x402/core types, Transform API |
-| 3     | Passkey auth with @simplewebauthn |
-| 4     | React frontend with @x402/fetch integration |
-| 5     | Docker compose + Fly.io deployment |
-
----
-
-## Security Notes
-
-- Passkey proves user identity (phishing-resistant, device-bound)
-- Server holds signing keys (custodial, protected by passkey)
-- Replay protection: cache used txHashes, enforce nonce ordering
-- Future: P-256 on-chain verification enables client-side signing
diff --git a/examples/x402-demo/.claude/skills/onboard.md b/examples/x402-demo/.claude/skills/onboard.md
deleted file mode 100644
index 6af53b4..0000000
--- a/examples/x402-demo/.claude/skills/onboard.md
+++ /dev/null
@@ -1,132 +0,0 @@
----
-description: Onboard onto the x402-demo project. Use when developers ask about the x402 demo, need to understand its architecture, or want to contribute to it.
----
-
-# X402 Demo Onboarding
-
-## Overview
-
-This demo showcases pay-per-request API monetization using the [X402 protocol](https://x402.org) (HTTP 402 Payment Required) with the Evolve SDK.
-
-## Architecture
-
-```
-Frontend (React + Vite)     →  API Server (Bun + Hono)  →  Evolve Node
-localhost:5173                  localhost:3000              localhost:8545
-```
-
-### Key Flow
-
-1. User registers with passkey → server creates secp256k1 keypair
-2. User requests protected API → server returns 402 with payment requirements
-3. User pays via `/wallet/transfer` → server signs tx with user's key
-4. User retries with `PAYMENT-SIGNATURE` header containing txHash
-5. Server verifies tx on Evolve node → returns result
-
-## Directory Structure
-
-```
-examples/x402-demo/
-├── server/                 # Bun + Hono backend
-│   └── src/
-│       ├── index.ts        # Entry point, route mounting
-│       ├── evolve.ts       # Viem-based JSON-RPC client
-│       ├── x402.ts         # X402 middleware (402 responses, payment verification)
-│       ├── passkey.ts      # WebAuthn registration/auth, session management
-│       ├── wallet.ts       # Balance queries, transfers, faucet
-│       └── transform.ts    # Protected API endpoints
-├── frontend/               # React + Vite
-│   └── src/
-│       ├── App.tsx         # Router + nav
-│       ├── lib/api.ts      # API client with X402 error handling
-│       ├── hooks/usePasskey.ts  # WebAuthn + session state
-│       └── pages/
-│           ├── Landing.tsx     # Register/login
-│           ├── Wallet.tsx      # Balance + faucet
-│           └── Playground.tsx  # X402 flow visualization
-├── docker-compose.yml
-└── README.md
-```
-
-## Key Files to Understand
-
-1. **`server/src/x402.ts`** - Core X402 protocol implementation
-   - `x402Middleware()` - Hono middleware that returns 402 or verifies payment
-   - `PaymentRequired`, `PaymentPayload` types match X402 v2 spec
-   - Replay protection via txHash cache
-
-2. **`server/src/passkey.ts`** - Authentication
-   - Uses `@simplewebauthn/server` for WebAuthn
-   - Maps passkey credentials to server-managed secp256k1 keypairs
-   - Session tokens stored in memory (use Redis for production)
-
-3. **`server/src/evolve.ts`** - Blockchain client
-   - Viem client configured for Evolve chain
-   - Standard eth_* methods + custom evolve_* methods
-
-4. **`frontend/src/pages/Playground.tsx`** - X402 flow demo
-   - Shows step-by-step: request → 402 → pay → retry → success
-
-## Running the Demo
-
-```bash
-# Terminal 1: Evolve node
-cargo run -p evolve_testapp
-
-# Terminal 2: Server
-cd examples/x402-demo/server && bun run dev
-
-# Terminal 3: Frontend
-cd examples/x402-demo/frontend && bun run dev
-```
-
-## Tests
-
-```bash
-cd examples/x402-demo/server && bun test
-```
-
-Key test files:
-- `test/x402.test.ts` - Payment flow, replay protection
-- `test/auth.test.ts` - WebAuthn options, session validation
-
-## Environment Variables
-
-| Variable | Default | Purpose |
-|----------|---------|---------|
-| `EVOLVE_RPC_URL` | `http://127.0.0.1:8545` | Evolve node endpoint |
-| `TREASURY_ADDRESS` | `0x...0001` | Receives payments |
-| `FAUCET_PRIVATE_KEY` | - | Funded account for faucet |
-| `RP_ID` | `localhost` | WebAuthn relying party |
-| `RP_ORIGIN` | `http://localhost:5173` | WebAuthn origin |
-
-## Known Limitations
-
-1. **Transaction format** - Currently uses viem's `sendTransaction` which produces standard Ethereum transactions. May need adaptation if Evolve uses a different tx format.
-
-2. **In-memory storage** - Sessions, users, and txHash cache are in memory. Use Redis/SQLite for production.
-
-3. **No full payment verification** - Currently only checks tx exists and succeeded. Should verify: amount, recipient, sender matches user, tx recency.
-
-## Common Tasks
-
-### Add a new protected endpoint
-
-1. Add route config in `server/src/transform.ts`:
-   ```typescript
-   export const TRANSFORM_ROUTES = {
-     "POST /api/transform/new": { price: 150n, description: "New endpoint" },
-   };
-   ```
-
-2. Add handler in same file:
-   ```typescript
-   app.post("/new", (c) => {
-     const input = c.get("transformInput");
-     return c.json({ output: process(input) });
-   });
-   ```
-
-### Modify payment verification
-
-Edit `verifyPayment()` in `server/src/x402.ts` to add checks for amount, recipient, or timing.
diff --git a/examples/x402-demo/DESIGN.md b/examples/x402-demo/DESIGN.md
deleted file mode 100644
index 7ce2254..0000000
--- a/examples/x402-demo/DESIGN.md
+++ /dev/null
@@ -1,619 +0,0 @@
-# X402 Agent Simulator - Design Document
-
-## Overview
-
-Transform the X402 demo from a user-facing login flow into a multi-agent simulator that demonstrates high-throughput micropayments on the Evolve chain.
-
-## Goals
-
-1. Simulate N agents making paid API requests concurrently
-2. Visualize agent activity and payment flow in real-time
-3. Demonstrate sub-100ms payment latency with fast block times
-4. Showcase the X402 protocol at scale
-
-## Architecture
-
-```
-┌─────────────────────────────────────────────────────────────────┐
-│                     Agent Simulator                             │
-│  ┌───────────────────────────────────────────────────────────┐  │
-│  │ Agent Pool                                                │  │
-│  │  - N agents with pre-funded wallets                       │  │
-│  │  - Private keys in memory                                 │  │
-│  │  - Timestamp-based signing (no nonce tracking)            │  │
-│  │  - Configurable request rate per agent                    │  │
-│  └───────────────────────────────────────────────────────────┘  │
-└──────────────────────┬──────────────────────────────────────────┘
-                       │ HTTP/2
-┌──────────────────────▼──────────────────────────────────────────┐
-│                      X402 Server                                │
-│  ┌───────────────────────────────────────────────────────────┐  │
-│  │ Payment Verification                                      │  │
-│  │  - gRPC client to Evolve node                             │  │
-│  │  - SubmitAndWait for synchronous confirmation             │  │
-│  │  - Replay protection via chain state                      │  │
-│  └───────────────────────────────────────────────────────────┘  │
-│  ┌───────────────────────────────────────────────────────────┐  │
-│  │ Event Emitter                                             │  │
-│  │  - WebSocket server for dashboard                         │  │
-│  │  - Events: payment_submitted, confirmed, request_served   │  │
-│  └───────────────────────────────────────────────────────────┘  │
-└──────────────────────┬──────────────────────────────────────────┘
-                       │ gRPC
-┌──────────────────────▼──────────────────────────────────────────┐
-│                      Evolve Node                                │
-│  - Configurable block time (1ms, 10ms, 100ms)                  │
-│  - Timestamp-based nonceless transactions                       │
-│  - gRPC interface for low-latency communication                 │
-└─────────────────────────────────────────────────────────────────┘
-                       │ WebSocket
-┌──────────────────────▼──────────────────────────────────────────┐
-│                      Dashboard                                  │
-│  - Real-time agent status grid                                  │
-│  - Payment stream visualization                                 │
-│  - Metrics: TPS, latency histogram, success rate                │
-│  - Treasury balance tracker                                     │
-└─────────────────────────────────────────────────────────────────┘
-```
-
-## Components to Build
-
-### 1. Agent Simulator (`/simulator`)
-
-New directory containing the agent simulation logic.
-
-#### Files
-
-```
-simulator/
-├── src/
-│   ├── index.ts          # Entry point, CLI
-│   ├── agent.ts          # Single agent logic
-│   ├── pool.ts           # Agent pool management
-│   ├── signer.ts         # Timestamp-based signing
-│   ├── metrics.ts        # Latency tracking, stats
-│   └── config.ts         # Configuration schema
-├── package.json
-└── tsconfig.json
-```
-
-#### Agent Class
-
-```typescript
-interface AgentConfig {
-  id: string;
-  privateKey: Hex;
-  address: Address;
-  requestsPerSecond: number;
-  endpoints: WeightedEndpoint[];
-}
-
-interface WeightedEndpoint {
-  method: string;
-  path: string;
-  weight: number;  // probability of selection
-  payload: () => unknown;  // payload generator
-}
-
-class Agent {
-  private config: AgentConfig;
-  private running: boolean = false;
-  private metrics: AgentMetrics;
-
-  async start(): Promise<void>;
-  async stop(): Promise<void>;
-
-  private async makeRequest(): Promise<RequestResult> {
-    const endpoint = this.selectEndpoint();
-
-    // Step 1: Make request, expect 402
-    const initialResponse = await fetch(endpoint.url, {
-      method: endpoint.method,
-      body: JSON.stringify(endpoint.payload()),
-    });
-
-    if (initialResponse.status !== 402) {
-      // Unexpected - either error or no payment required
-      return this.handleNonPaymentResponse(initialResponse);
-    }
-
-    // Step 2: Parse payment requirement
-    const paymentRequired = this.parsePaymentRequired(initialResponse);
-
-    // Step 3: Sign and submit payment
-    const signedTx = this.signPayment(paymentRequired);
-    const txHash = await this.submitPayment(signedTx);
-
-    // Step 4: Retry with payment proof
-    const paymentSignature = this.createPaymentSignature(txHash);
-    const finalResponse = await fetch(endpoint.url, {
-      method: endpoint.method,
-      body: JSON.stringify(endpoint.payload()),
-      headers: {
-        'PAYMENT-SIGNATURE': paymentSignature,
-      },
-    });
-
-    return {
-      success: finalResponse.ok,
-      latencyMs: /* measured */,
-      txHash,
-    };
-  }
-}
-```
-
-#### Pool Manager
-
-```typescript
-interface PoolConfig {
-  agentCount: number;
-  fundingAmount: bigint;
-  serverUrl: string;
-  evolveRpcUrl: string;
-  requestsPerSecond: number;  // total across all agents
-}
-
-class AgentPool {
-  private agents: Agent[] = [];
-  private faucetKey: Hex;
-
-  async initialize(config: PoolConfig): Promise<void> {
-    // Generate N wallets
-    // Fund each from faucet
-    // Create Agent instances
-  }
-
-  async start(): Promise<void> {
-    // Start all agents
-  }
-
-  async stop(): Promise<void> {
-    // Graceful shutdown
-  }
-
-  getMetrics(): PoolMetrics {
-    // Aggregate metrics from all agents
-  }
-}
-```
-
-#### CLI Interface
-
-```bash
-# Start simulator with 10 agents, 100 req/s total
-bun run simulator --agents 10 --rps 100 --server http://localhost:3000
-
-# With custom funding
-bun run simulator --agents 50 --rps 500 --funding 10000
-
-# Specify block time expectation (for latency calculations)
-bun run simulator --agents 10 --rps 100 --block-time 10
-```
-
-### 2. Server Changes (`/server`)
-
-#### New: gRPC Client (`/server/src/grpc-client.ts`)
-
-Replace viem JSON-RPC with gRPC for Evolve communication.
-
-```typescript
-import { createClient } from '@grpc/grpc-js';
-import { EvolvePaymentClient } from './generated/evolve_pb';
-
-interface EvolveGrpcClient {
-  submitAndWait(signedTx: SignedTx): Promise<TxReceipt>;
-  submit(signedTx: SignedTx): Promise<TxHash>;
-  getBalance(address: Address): Promise<bigint>;
-}
-
-export function createEvolveGrpcClient(endpoint: string): EvolveGrpcClient {
-  const client = new EvolvePaymentClient(
-    endpoint,
-    grpc.credentials.createInsecure()
-  );
-
-  return {
-    async submitAndWait(tx) {
-      return new Promise((resolve, reject) => {
-        client.submitAndWait(tx, (err, response) => {
-          if (err) reject(err);
-          else resolve(response);
-        });
-      });
-    },
-    // ... other methods
-  };
-}
-```
-
-#### New: WebSocket Event Server (`/server/src/events.ts`)
-
-```typescript
-import { Hono } from 'hono';
-import { createBunWebSocket } from 'hono/bun';
-
-interface PaymentEvent {
-  type: 'payment_submitted' | 'payment_confirmed' | 'request_served' | 'error';
-  timestamp: number;
-  agentId: string;
-  txHash?: string;
-  amount?: string;
-  endpoint?: string;
-  latencyMs?: number;
-  error?: string;
-}
-
-class EventEmitter {
-  private connections: Set<WebSocket> = new Set();
-
-  addConnection(ws: WebSocket): void {
-    this.connections.add(ws);
-    ws.onclose = () => this.connections.delete(ws);
-  }
-
-  emit(event: PaymentEvent): void {
-    const message = JSON.stringify(event);
-    for (const ws of this.connections) {
-      ws.send(message);
-    }
-  }
-}
-
-export const eventEmitter = new EventEmitter();
-
-export function createEventRoutes(): Hono {
-  const app = new Hono();
-  const { upgradeWebSocket, websocket } = createBunWebSocket();
-
-  app.get('/events', upgradeWebSocket((c) => ({
-    onOpen(_, ws) {
-      eventEmitter.addConnection(ws);
-    },
-  })));
-
-  return app;
-}
-```
-
-#### Modified: X402 Middleware (`/server/src/x402.ts`)
-
-Update to use gRPC and emit events.
-
-```typescript
-import { eventEmitter } from './events';
-import { evolveGrpcClient } from './grpc-client';
-
-export function x402Middleware(config: X402Config): MiddlewareHandler {
-  return async (c, next) => {
-    // ... existing route matching logic ...
-
-    const paymentSignature = c.req.header('PAYMENT-SIGNATURE');
-
-    if (!paymentSignature) {
-      // Return 402 as before
-      return c.json(paymentRequired, 402);
-    }
-
-    // Parse and verify payment
-    const payload = decodePaymentPayload(paymentSignature);
-    const agentId = extractAgentId(c);  // From request or derived from tx
-
-    eventEmitter.emit({
-      type: 'payment_submitted',
-      timestamp: Date.now(),
-      agentId,
-      txHash: payload.payload.txHash,
-      amount: routeConfig.amount,
-    });
-
-    // Verify via gRPC (faster than JSON-RPC)
-    const receipt = await evolveGrpcClient.getReceipt(payload.payload.txHash);
-
-    if (!receipt.success) {
-      eventEmitter.emit({
-        type: 'error',
-        timestamp: Date.now(),
-        agentId,
-        txHash: payload.payload.txHash,
-        error: 'Transaction failed',
-      });
-      return c.json({ error: 'Payment verification failed' }, 402);
-    }
-
-    eventEmitter.emit({
-      type: 'payment_confirmed',
-      timestamp: Date.now(),
-      agentId,
-      txHash: payload.payload.txHash,
-    });
-
-    // Continue to handler
-    await next();
-
-    eventEmitter.emit({
-      type: 'request_served',
-      timestamp: Date.now(),
-      agentId,
-      endpoint: `${c.req.method} ${c.req.path}`,
-    });
-  };
-}
-```
-
-### 3. Dashboard (`/frontend`)
-
-Replace current user-facing UI with agent monitoring dashboard.
-
-#### New Pages
-
-```
-frontend/src/
-├── pages/
-│   ├── Dashboard.tsx      # Main dashboard view
-│   ├── AgentGrid.tsx      # Grid of agent status cards
-│   ├── PaymentStream.tsx  # Real-time payment log
-│   └── Metrics.tsx        # Charts and statistics
-├── components/
-│   ├── AgentCard.tsx      # Individual agent status
-│   ├── LatencyChart.tsx   # Histogram of latencies
-│   ├── TpsCounter.tsx     # Live TPS display
-│   └── TreasuryBalance.tsx
-└── hooks/
-    ├── useEventStream.ts  # WebSocket connection
-    └── useMetrics.ts      # Aggregated metrics
-```
-
-#### Dashboard Layout
-
-```typescript
-// Dashboard.tsx
-export function Dashboard() {
-  const events = useEventStream('ws://localhost:3000/events');
-  const metrics = useMetrics(events);
-
-  return (
-    <div className="dashboard">
-      <header>
-        <h1>X402 Agent Simulator</h1>
-        <TpsCounter value={metrics.currentTps} />
-        <TreasuryBalance />
-      </header>
-
-      <main>
-        <section className="agent-grid">
-          <AgentGrid agents={metrics.agents} />
-        </section>
-
-        <section className="metrics">
-          <LatencyChart data={metrics.latencyHistogram} />
-          <SuccessRateGauge value={metrics.successRate} />
-        </section>
-
-        <section className="payment-stream">
-          <PaymentStream events={events} />
-        </section>
-      </main>
-    </div>
-  );
-}
-```
-
-#### Event Stream Hook
-
-```typescript
-// useEventStream.ts
-export function useEventStream(url: string) {
-  const [events, setEvents] = useState<PaymentEvent[]>([]);
-
-  useEffect(() => {
-    const ws = new WebSocket(url);
-
-    ws.onmessage = (e) => {
-      const event = JSON.parse(e.data) as PaymentEvent;
-      setEvents((prev) => [...prev.slice(-999), event]);  // Keep last 1000
-    };
-
-    return () => ws.close();
-  }, [url]);
-
-  return events;
-}
-```
-
-#### Agent Card Component
-
-```typescript
-// AgentCard.tsx
-interface AgentCardProps {
-  agent: AgentStatus;
-}
-
-export function AgentCard({ agent }: AgentCardProps) {
-  return (
-    <div className={`agent-card ${agent.status}`}>
-      <div className="agent-id">{agent.id.slice(0, 8)}</div>
-      <div className="agent-address">{agent.address.slice(0, 10)}...</div>
-      <div className="agent-stats">
-        <span>Requests: {agent.totalRequests}</span>
-        <span>Avg Latency: {agent.avgLatencyMs}ms</span>
-        <span>Balance: {formatEvo(agent.balance)}</span>
-      </div>
-      <div className={`status-indicator ${agent.lastStatus}`} />
-    </div>
-  );
-}
-```
-
-### 4. Remove/Deprecate
-
-The following components from the current implementation should be removed:
-
-- `/frontend/src/pages/Landing.tsx` - User login flow
-- `/frontend/src/pages/Wallet.tsx` - User wallet management
-- `/frontend/src/pages/Playground.tsx` - Manual API testing
-- `/frontend/src/hooks/usePasskey.ts` - WebAuthn hooks
-- `/server/src/passkey.ts` - WebAuthn authentication
-- User session management in `/server/src/wallet.ts`
-
-Keep the wallet routes for agent funding (faucet) but remove user-specific logic.
-
-## Configuration
-
-### Environment Variables
-
-```bash
-# Server
-EVOLVE_GRPC_URL=localhost:9090    # gRPC endpoint
-EVOLVE_RPC_URL=http://localhost:8545  # Fallback JSON-RPC
-TREASURY_ADDRESS=0x0000000000000000000000000000000000000001
-FAUCET_PRIVATE_KEY=0x...
-WS_PORT=3001                       # WebSocket for dashboard
-
-# Simulator
-SIMULATOR_AGENTS=10
-SIMULATOR_RPS=100
-SIMULATOR_SERVER_URL=http://localhost:3000
-SIMULATOR_FUNDING_AMOUNT=10000
-```
-
-### Simulator Config File
-
-```yaml
-# simulator.config.yaml
-agents: 10
-requestsPerSecond: 100
-server: http://localhost:3000
-evolve:
-  grpcUrl: localhost:9090
-  chainId: 1337
-
-funding:
-  amount: 10000
-  faucetKey: ${FAUCET_PRIVATE_KEY}
-
-endpoints:
-  - method: POST
-    path: /api/transform/reverse
-    weight: 40
-    payload:
-      text: "hello world"
-  - method: POST
-    path: /api/transform/uppercase
-    weight: 30
-    payload:
-      text: "hello world"
-  - method: POST
-    path: /api/transform/hash
-    weight: 20
-    payload:
-      text: "hello world"
-  - method: POST
-    path: /api/transform/echo
-    weight: 10
-    payload:
-      text: "hello world"
-```
-
-## Metrics
-
-### Collected Metrics
-
-| Metric | Type | Description |
-|--------|------|-------------|
-| `requests_total` | Counter | Total requests made |
-| `requests_success` | Counter | Successful requests |
-| `requests_failed` | Counter | Failed requests |
-| `payments_total` | Counter | Total payments submitted |
-| `payments_confirmed` | Counter | Confirmed payments |
-| `request_latency_ms` | Histogram | End-to-end latency |
-| `payment_latency_ms` | Histogram | Payment confirmation latency |
-| `agent_balance` | Gauge | Per-agent balance |
-| `treasury_balance` | Gauge | Treasury balance |
-| `tps_current` | Gauge | Current transactions per second |
-
-### Dashboard Displays
-
-1. **TPS Counter**: Large real-time display of current throughput
-2. **Latency Histogram**: Distribution of request latencies (p50, p95, p99)
-3. **Agent Grid**: Visual grid showing all agents, color-coded by status
-4. **Payment Stream**: Scrolling log of recent payments
-5. **Success Rate**: Gauge showing percentage of successful requests
-6. **Treasury Balance**: Live balance with incoming payment animation
-
-## Implementation Phases
-
-### Phase 1: Core Infrastructure
-- [x] Create `/simulator` directory structure
-- [x] Implement Agent and AgentPool classes
-- [x] Add timestamp-based signing (prepare for nonceless)
-- [x] Basic CLI to run simulator
-
-### Phase 2: Server Updates
-- [x] Add WebSocket event emitter
-- [x] Integrate event emission into X402 middleware
-- [x] Prepare gRPC client interface (can stub with JSON-RPC initially) - using JSON-RPC for now
-- [x] Add `/events` WebSocket endpoint
-
-### Phase 3: Dashboard
-- [x] Remove old user-facing pages (simplified to Dashboard only)
-- [x] Implement Dashboard layout
-- [x] Add AgentGrid component
-- [x] Add PaymentStream component
-- [x] Add metrics charts (latency histogram, TPS counter)
-
-### Phase 4: gRPC Integration
-- [x] Create gRPC client using existing protos from `crates/rpc/grpc/proto/evolve/v1/`
-- [x] Unified EvolveClient interface supporting both JSON-RPC and gRPC backends
-- [x] Auto-detection: uses gRPC if `EVOLVE_GRPC_URL` is set, otherwise JSON-RPC
-- [ ] Performance testing with different block times
-
-### Phase 5: Optimization
-- [ ] Implement nonceless transaction support (depends on Evolve changes)
-- [ ] Connection pooling for gRPC
-- [ ] Dashboard performance optimization for high event rates
-
-## Testing
-
-### Load Testing Scenarios
-
-```bash
-# Baseline: 10 agents, 10 req/s, 100ms blocks
-bun run simulator --agents 10 --rps 10 --block-time 100
-
-# Medium: 50 agents, 100 req/s, 10ms blocks
-bun run simulator --agents 50 --rps 100 --block-time 10
-
-# High: 100 agents, 1000 req/s, 1ms blocks
-bun run simulator --agents 100 --rps 1000 --block-time 1
-```
-
-### Expected Latency Targets
-
-| Block Time | Target p50 | Target p99 |
-|------------|------------|------------|
-| 100ms | <150ms | <300ms |
-| 10ms | <30ms | <100ms |
-| 1ms | <10ms | <30ms |
-
-## Dependencies
-
-### New Dependencies
-
-```json
-{
-  "dependencies": {
-    "@grpc/grpc-js": "^1.10.0",
-    "@grpc/proto-loader": "^0.7.0",
-    "recharts": "^2.12.0",
-    "yaml": "^2.4.0"
-  }
-}
-```
-
-## Open Questions
-
-1. Should agents have different "personalities" (aggressive vs conservative spending)?
-2. Do we want to simulate agent failures/recovery?
-3. Should the dashboard support replaying historical data?
-4. What's the maximum agent count we want to support in the demo?
diff --git a/examples/x402-demo/README.md b/examples/x402-demo/README.md
deleted file mode 100644
index 2247cf5..0000000
--- a/examples/x402-demo/README.md
+++ /dev/null
@@ -1,163 +0,0 @@
-# X402 Demo
-
-Pay-per-request API monetization using [HTTP 402](https://x402.org) and the Evolve SDK.
-
-## Architecture
-
-```
-                          ┌──────────────────────┐
-                          │   Frontend (React)    │
-                          │  http://localhost:5173 │
-                          └──────────┬───────────┘
-                                     │ HTTP + WebSocket
-                          ┌──────────▼───────────┐
-                          │  API Server (Bun+Hono)│
-                          │  http://localhost:3000 │
-                          │  - /api/transform/*   │
-                          │  - /ws/events         │
-                          └──────────┬───────────┘
-                                     │ JSON-RPC
-┌───────────────┐  gRPC   ┌──────────▼───────────┐
-│  ev-node /    │◄───────►│    evd (Evolve node)  │
-│  local-da     │ :50051  │  http://localhost:8545 │
-└───────────────┘         └──────────────────────┘
-```
-
-**Components:**
-
-| Component | Port | Description |
-|-----------|------|-------------|
-| **evd** | 8545 (RPC), 50051 (gRPC) | Evolve execution node |
-| **ev-node / local-da** | - | External consensus driving block production via gRPC |
-| **server** | 3000 | X402 API server with payment middleware |
-| **simulator** | - | CLI tool that spawns agents making paid requests |
-| **frontend** | 5173 | React dashboard showing real-time metrics |
-
-## Prerequisites
-
-- Rust toolchain (for evd)
-- [Bun](https://bun.sh) (for server + simulator)
-- Node.js + npm (for frontend)
-- External consensus process (ev-node or local-da)
-
-## Quick Start
-
-You need **4 terminals** (5 if you want the dashboard).
-
-### Terminal 1: Start evd
-
-```bash
-# From repo root
-rm -rf ./data
-cargo run -p evd -- init --genesis-file examples/x402-demo/genesis.json
-cargo run -p evd -- run  --genesis-file examples/x402-demo/genesis.json
-```
-
-Wait for `Server ready. Press Ctrl+C to stop.` The genesis log will show all pre-registered EOA accounts with their addresses and balances.
-
-### Terminal 2: External consensus
-
-Start whatever drives block production via gRPC on `:50051`. Without this, transactions will be accepted into the mempool but never mined.
-
-### Terminal 3: API server
-
-```bash
-cd examples/x402-demo/server
-bun install   # first time only
-bun run src/index.ts
-```
-
-Verify: `curl http://localhost:3000/health`
-
-### Terminal 4: Simulator
-
-```bash
-cd examples/x402-demo/simulator
-bun install   # first time only
-FAUCET_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 \
-  bun run src/index.ts --agents 5 --rps 2 --duration 60
-```
-
-### Terminal 5 (optional): Frontend dashboard
-
-```bash
-cd examples/x402-demo/frontend
-npm install   # first time only
-npm run dev
-```
-
-Open http://localhost:5173
-
-## Account Setup
-
-The sample `examples/x402-demo/genesis.json` pre-registers **20 Hardhat accounts** with well-known deterministic keys:
-
-| Account | Role | Address | Private Key |
-|---------|------|---------|-------------|
-| #0 (Alice) | Faucet | `0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266` | `0xac0974...f2ff80` |
-| #1 (Bob) | - | `0x70997970C51812dc3A010C7d01b50e0d17dc79C8` | `0x59c699...8690d` |
-| #2 | Treasury | `0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC` | `0x5de411...b365a` |
-| #3-#19 | Agents (17) | See genesis log | See genesis log |
-
-**Token balances at genesis:**
-- Alice: 1,000,000,000 (= 1000 tokens, 6 decimals)
-- Bob: 2,000,000 (= 2 tokens, 6 decimals)
-
-## X402 Payment Flow
-
-1. Agent sends `POST /api/transform/reverse` with `{"input": "hello"}`
-2. Server returns **402** with `PAYMENT-REQUIRED` header (base64-encoded JSON)
-3. Agent parses the required amount and treasury address
-4. Agent sends a **token transfer** transaction on-chain (calldata to the token contract)
-5. Agent retries the request with `PAYMENT-SIGNATURE` header containing the txHash
-6. Server verifies the payment on-chain, returns the result
-
-Payments use **token calldata** (not native value transfers), because the Evolve execution layer ignores the `value` field on transactions.
-
-## Simulator Options
-
-```
-Options:
-  -a, --agents <number>    Number of agents to spawn (max 17)    [default: 10]
-  -r, --rps <number>       Target requests per second             [default: 10]
-  -s, --server <url>       X402 server URL                        [default: http://localhost:3000]
-  -e, --evolve-rpc <url>   Evolve RPC URL                         [default: http://localhost:8545]
-  -f, --funding <amount>   Funding per agent (6 decimals)         [default: 1000000 = 1 token]
-  -k, --faucet-key <key>   Faucet private key                     [env: FAUCET_PRIVATE_KEY]
-  -d, --duration <seconds> Run duration (0 = infinite)            [default: 0]
-```
-
-## Environment Variables
-
-| Variable | Default | Description |
-|----------|---------|-------------|
-| `EVOLVE_RPC_URL` | `http://127.0.0.1:8545` | Evolve node JSON-RPC |
-| `EVOLVE_GRPC_URL` | - | Evolve node gRPC (optional, enables gRPC client mode) |
-| `TREASURY_ADDRESS` | `0x3C44Cd...93BC` | Hardhat #2, receives payments |
-| `EVOLVE_NETWORK` | `evolve:1` | Network identifier for X402 |
-| `EVOLVE_ASSET` | `native` | Asset identifier for X402 |
-| `FAUCET_PRIVATE_KEY` | - | Alice's key, funds simulator agents |
-| `PORT` | `3000` | Server listen port |
-| `CORS_ORIGIN` | `*` | Allowed CORS origins |
-
-## API Pricing
-
-| Endpoint | Price (tokens) | Description |
-|----------|---------------|-------------|
-| `/api/transform/echo` | 100 | Returns input unchanged |
-| `/api/transform/reverse` | 100 | Reverses input string |
-| `/api/transform/uppercase` | 100 | Uppercases input |
-| `/api/transform/hash` | 200 | SHA256 hash of input |
-
-## Verification
-
-```bash
-# Check server health
-curl http://localhost:3000/health
-
-# Check treasury balance (should increase as simulator runs)
-curl http://localhost:3000/api/treasury
-
-# Check pricing
-curl http://localhost:3000/api/pricing
-```
\ No newline at end of file
diff --git a/examples/x402-demo/docker-compose.yml b/examples/x402-demo/docker-compose.yml
deleted file mode 100644
index 928e769..0000000
--- a/examples/x402-demo/docker-compose.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-# X402 Demo - Docker Compose
-#
-# Prerequisites:
-#   1. Run Evolve node separately: cargo run -p evolve_testapp
-#   2. Or use EVOLVE_RPC_URL to point to an existing node
-#
-# Usage:
-#   docker compose up --build
-
-services:
-  server:
-    build:
-      context: ./server
-    ports:
-      - "3000:3000"
-    environment:
-      - PORT=3000
-      # Point to host machine's Evolve node (use host.docker.internal on Mac/Windows)
-      - EVOLVE_RPC_URL=${EVOLVE_RPC_URL:-http://host.docker.internal:8545}
-      - EVOLVE_NETWORK=evolve:1337
-      - RP_ID=localhost
-      - RP_ORIGIN=http://localhost:5173
-      - TREASURY_ADDRESS=0x0000000000000000000000000000000000000001
-      - FAUCET_PRIVATE_KEY=${FAUCET_PRIVATE_KEY:-}
-    extra_hosts:
-      - "host.docker.internal:host-gateway"
-
-  frontend:
-    build:
-      context: ./frontend
-    ports:
-      - "5173:5173"
-    environment:
-      - VITE_API_URL=http://server:3000
-    depends_on:
-      - server
diff --git a/examples/x402-demo/frontend/Dockerfile b/examples/x402-demo/frontend/Dockerfile
deleted file mode 100644
index e1de3fd..0000000
--- a/examples/x402-demo/frontend/Dockerfile
+++ /dev/null
@@ -1,16 +0,0 @@
-FROM oven/bun:1.1-alpine
-
-WORKDIR /app
-
-# Install dependencies
-COPY package.json bun.lock* ./
-RUN bun install --frozen-lockfile
-
-# Copy source
-COPY . .
-
-# Expose port
-EXPOSE 5173
-
-# Run dev server (use --host to allow external connections)
-CMD ["bun", "run", "dev", "--", "--host", "0.0.0.0"]
diff --git a/examples/x402-demo/frontend/bun.lock b/examples/x402-demo/frontend/bun.lock
deleted file mode 100644
index 50aa9b8..0000000
--- a/examples/x402-demo/frontend/bun.lock
+++ /dev/null
@@ -1,266 +0,0 @@
-{
-  "lockfileVersion": 1,
-  "configVersion": 1,
-  "workspaces": {
-    "": {
-      "name": "x402-demo-frontend",
-      "dependencies": {
-        "@simplewebauthn/browser": "^11.0.0",
-        "@tanstack/react-query": "^5.60.0",
-        "react": "^18.3.0",
-        "react-dom": "^18.3.0",
-        "react-router-dom": "^6.28.0",
-      },
-      "devDependencies": {
-        "@types/react": "^18.3.0",
-        "@types/react-dom": "^18.3.0",
-        "@vitejs/plugin-react": "^4.3.0",
-        "typescript": "^5.6.0",
-        "vite": "^5.4.0",
-      },
-    },
-  },
-  "packages": {
-    "@babel/code-frame": ["@babel/code-frame@7.28.6", "", { "dependencies": { "@babel/helper-validator-identifier": "^7.28.5", "js-tokens": "^4.0.0", "picocolors": "^1.1.1" } }, "sha512-JYgintcMjRiCvS8mMECzaEn+m3PfoQiyqukOMCCVQtoJGYJw8j/8LBJEiqkHLkfwCcs74E3pbAUFNg7d9VNJ+Q=="],
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diff --git a/examples/x402-demo/frontend/dist/index.html b/examples/x402-demo/frontend/dist/index.html
deleted file mode 100644
index 6e11c1b..0000000
--- a/examples/x402-demo/frontend/dist/index.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>X402 Demo</title>
-    <style>
-      * { box-sizing: border-box; margin: 0; padding: 0; }
-      body { font-family: system-ui, sans-serif; background: #0a0a0a; color: #fafafa; }
-    </style>
-    <script type="module" crossorigin src="/assets/index-CqyNPtnA.js"></script>
-  </head>
-  <body>
-    <div id="root"></div>
-  </body>
-</html>
diff --git a/examples/x402-demo/frontend/index.html b/examples/x402-demo/frontend/index.html
deleted file mode 100644
index 0cfde5f..0000000
--- a/examples/x402-demo/frontend/index.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>X402 Demo</title>
-    <style>
-      * { box-sizing: border-box; margin: 0; padding: 0; }
-      body { font-family: system-ui, sans-serif; background: #0a0a0a; color: #fafafa; }
-    </style>
-  </head>
-  <body>
-    <div id="root"></div>
-    <script type="module" src="/src/main.tsx"></script>
-  </body>
-</html>
diff --git a/examples/x402-demo/frontend/package-lock.json b/examples/x402-demo/frontend/package-lock.json
deleted file mode 100644
index 2341cdc..0000000
--- a/examples/x402-demo/frontend/package-lock.json
+++ /dev/null
@@ -1,1812 +0,0 @@
-{
-  "name": "x402-demo-frontend",
-  "version": "0.1.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
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-        "react-router-dom": "^6.28.0"
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-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
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-        "js-tokens": "^4.0.0",
-        "picocolors": "^1.1.1"
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-    "node_modules/@babel/compat-data": {
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-      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.29.0.tgz",
-      "integrity": "sha512-T1NCJqT/j9+cn8fvkt7jtwbLBfLC/1y1c7NtCeXFRgzGTsafi68MRv8yzkYSapBnFA6L3U2VSc02ciDzoAJhJg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
-    "node_modules/@babel/core": {
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-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.29.0.tgz",
-      "integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
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-        "@babel/generator": "^7.29.0",
-        "@babel/helper-compilation-targets": "^7.28.6",
-        "@babel/helper-module-transforms": "^7.28.6",
-        "@babel/helpers": "^7.28.6",
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-        "@babel/traverse": "^7.29.0",
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-        "@jridgewell/remapping": "^2.3.5",
-        "convert-source-map": "^2.0.0",
-        "debug": "^4.1.0",
-        "gensync": "^1.0.0-beta.2",
-        "json5": "^2.2.3",
-        "semver": "^6.3.1"
-      },
-      "engines": {
-        "node": ">=6.9.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/babel"
-      }
-    },
-    "node_modules/@babel/generator": {
-      "version": "7.29.1",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.29.1.tgz",
-      "integrity": "sha512-qsaF+9Qcm2Qv8SRIMMscAvG4O3lJ0F1GuMo5HR/Bp02LopNgnZBC/EkbevHFeGs4ls/oPz9v+Bsmzbkbe+0dUw==",
-      "dev": true,
-      "license": "MIT",
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-        "@babel/types": "^7.29.0",
-        "@jridgewell/gen-mapping": "^0.3.12",
-        "@jridgewell/trace-mapping": "^0.3.28",
-        "jsesc": "^3.0.2"
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-      "license": "MIT",
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diff --git a/examples/x402-demo/frontend/package.json b/examples/x402-demo/frontend/package.json
deleted file mode 100644
index 8d120ca..0000000
--- a/examples/x402-demo/frontend/package.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "name": "x402-demo-frontend",
-  "version": "0.1.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "tsc && vite build",
-    "preview": "vite preview",
-    "typecheck": "tsc --noEmit"
-  },
-  "dependencies": {
-    "react": "^18.3.0",
-    "react-dom": "^18.3.0",
-    "react-router-dom": "^6.28.0",
-    "@simplewebauthn/browser": "^11.0.0",
-    "@tanstack/react-query": "^5.60.0"
-  },
-  "devDependencies": {
-    "@types/react": "^18.3.0",
-    "@types/react-dom": "^18.3.0",
-    "@vitejs/plugin-react": "^4.3.0",
-    "typescript": "^5.6.0",
-    "vite": "^5.4.0"
-  }
-}
diff --git a/examples/x402-demo/frontend/src/App.tsx b/examples/x402-demo/frontend/src/App.tsx
deleted file mode 100644
index e8543a7..0000000
--- a/examples/x402-demo/frontend/src/App.tsx
+++ /dev/null
@@ -1,20 +0,0 @@
-import { Dashboard } from "./pages/Dashboard";
-
-const styles = {
-  container: {
-    maxWidth: 1400,
-    margin: "0 auto",
-    padding: 24,
-    backgroundColor: "#0a0a0a",
-    minHeight: "100vh",
-    color: "#fff",
-  },
-};
-
-export function App() {
-  return (
-    <div style={styles.container}>
-      <Dashboard />
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/components/AgentGrid.tsx b/examples/x402-demo/frontend/src/components/AgentGrid.tsx
deleted file mode 100644
index b0fd81e..0000000
--- a/examples/x402-demo/frontend/src/components/AgentGrid.tsx
+++ /dev/null
@@ -1,90 +0,0 @@
-import type { AgentStatus } from "../hooks/useMetrics";
-
-interface AgentGridProps {
-  agents: Map<string, AgentStatus>;
-}
-
-const styles = {
-  grid: {
-    display: "grid",
-    gridTemplateColumns: "repeat(auto-fill, minmax(120px, 1fr))",
-    gap: 8,
-    maxHeight: 400,
-    overflowY: "auto" as const,
-  },
-  card: (status: AgentStatus["lastStatus"]) => ({
-    padding: 12,
-    borderRadius: 6,
-    backgroundColor: "#252525",
-    borderLeft: `3px solid ${
-      status === "success" ? "#22c55e" : status === "failed" ? "#ef4444" : "#f59e0b"
-    }`,
-  }),
-  agentId: {
-    fontSize: 12,
-    fontFamily: "monospace",
-    color: "#fff",
-    marginBottom: 4,
-  },
-  stats: {
-    fontSize: 11,
-    color: "#888",
-    display: "flex",
-    flexDirection: "column" as const,
-    gap: 2,
-  },
-  statRow: {
-    display: "flex",
-    justifyContent: "space-between",
-  },
-  empty: {
-    color: "#666",
-    textAlign: "center" as const,
-    padding: 32,
-  },
-};
-
-export function AgentGrid({ agents }: AgentGridProps) {
-  const agentList = Array.from(agents.values()).sort((a, b) =>
-    a.id.localeCompare(b.id)
-  );
-
-  if (agentList.length === 0) {
-    return <div style={styles.empty}>No agents connected</div>;
-  }
-
-  return (
-    <div style={styles.grid}>
-      {agentList.map((agent) => {
-        const avgLatency =
-          agent.totalRequests > 0
-            ? Math.round(agent.totalLatencyMs / agent.totalRequests)
-            : 0;
-        const successRate =
-          agent.totalRequests > 0
-            ? Math.round((agent.successfulRequests / agent.totalRequests) * 100)
-            : 0;
-
-        return (
-          <div key={agent.id} style={styles.card(agent.lastStatus)}>
-            <div style={styles.agentId}>{agent.id}</div>
-            <div style={styles.stats}>
-              <div style={styles.statRow}>
-                <span>Requests:</span>
-                <span>{agent.totalRequests}</span>
-              </div>
-              <div style={styles.statRow}>
-                <span>Success:</span>
-                <span>{successRate}%</span>
-              </div>
-              <div style={styles.statRow}>
-                <span>Avg Lat:</span>
-                <span>{avgLatency}ms</span>
-              </div>
-            </div>
-          </div>
-        );
-      })}
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/components/MetricsPanel.tsx b/examples/x402-demo/frontend/src/components/MetricsPanel.tsx
deleted file mode 100644
index f920a2d..0000000
--- a/examples/x402-demo/frontend/src/components/MetricsPanel.tsx
+++ /dev/null
@@ -1,144 +0,0 @@
-import type { Metrics } from "../hooks/useMetrics";
-
-interface MetricsPanelProps {
-  metrics: Metrics;
-}
-
-const styles = {
-  container: {
-    display: "grid",
-    gridTemplateColumns: "repeat(auto-fit, minmax(150px, 1fr))",
-    gap: 16,
-  },
-  metric: {
-    padding: 16,
-    backgroundColor: "#252525",
-    borderRadius: 8,
-  },
-  label: {
-    fontSize: 12,
-    color: "#888",
-    marginBottom: 4,
-  },
-  value: {
-    fontSize: 28,
-    fontWeight: 600,
-    fontVariantNumeric: "tabular-nums",
-    color: "#fff",
-  },
-  errorValue: {
-    fontSize: 28,
-    fontWeight: 600,
-    fontVariantNumeric: "tabular-nums",
-    color: "#ef4444",
-  },
-  unit: {
-    fontSize: 14,
-    color: "#666",
-    marginLeft: 4,
-  },
-  histogram: {
-    gridColumn: "span 2",
-    padding: 16,
-    backgroundColor: "#252525",
-    borderRadius: 8,
-  },
-  histogramTitle: {
-    fontSize: 12,
-    color: "#888",
-    marginBottom: 12,
-  },
-  bars: {
-    display: "flex",
-    alignItems: "flex-end",
-    gap: 8,
-    height: 80,
-  },
-  barContainer: {
-    flex: 1,
-    display: "flex",
-    flexDirection: "column" as const,
-    alignItems: "center",
-    gap: 4,
-  },
-  bar: (height: number) => ({
-    width: "100%",
-    height: `${height}%`,
-    backgroundColor: "#3b82f6",
-    borderRadius: 2,
-    minHeight: 2,
-  }),
-  barLabel: {
-    fontSize: 10,
-    color: "#666",
-  },
-  barValue: {
-    fontSize: 10,
-    color: "#888",
-  },
-};
-
-const BUCKET_LABELS = ["<50ms", "50-100", "100-200", "200-500", "500+"];
-
-export function MetricsPanel({ metrics }: MetricsPanelProps) {
-  const maxBucket = Math.max(...metrics.latencyHistogram, 1);
-
-  return (
-    <div style={styles.container}>
-      <div style={styles.metric}>
-        <div style={styles.label}>Total Requests</div>
-        <div style={styles.value}>{metrics.totalRequests.toLocaleString()}</div>
-      </div>
-
-      <div style={styles.metric}>
-        <div style={styles.label}>Success Rate</div>
-        <div style={styles.value}>
-          {metrics.successRate}
-          <span style={styles.unit}>%</span>
-        </div>
-      </div>
-
-      <div style={styles.metric}>
-        <div style={styles.label}>Avg Latency</div>
-        <div style={styles.value}>
-          {metrics.avgLatencyMs}
-          <span style={styles.unit}>ms</span>
-        </div>
-      </div>
-
-      <div style={styles.metric}>
-        <div style={styles.label}>p95 Latency</div>
-        <div style={styles.value}>
-          {metrics.p95LatencyMs}
-          <span style={styles.unit}>ms</span>
-        </div>
-      </div>
-
-      <div style={styles.metric}>
-        <div style={styles.label}>p99 Latency</div>
-        <div style={styles.value}>
-          {metrics.p99LatencyMs}
-          <span style={styles.unit}>ms</span>
-        </div>
-      </div>
-
-      <div style={styles.metric}>
-        <div style={styles.label}>Active Agents</div>
-        <div style={styles.value}>{metrics.agents.size}</div>
-      </div>
-
-      <div style={styles.histogram}>
-        <div style={styles.histogramTitle}>Latency Distribution</div>
-        <div style={styles.bars}>
-          {metrics.latencyHistogram.map((count, idx) => (
-            <div key={idx} style={styles.barContainer}>
-              <div style={styles.barValue}>{count}</div>
-              <div style={styles.bar((count / maxBucket) * 100)} />
-              <div style={styles.barLabel}>{BUCKET_LABELS[idx]}</div>
-            </div>
-          ))}
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/components/PaymentStream.tsx b/examples/x402-demo/frontend/src/components/PaymentStream.tsx
deleted file mode 100644
index 9968746..0000000
--- a/examples/x402-demo/frontend/src/components/PaymentStream.tsx
+++ /dev/null
@@ -1,130 +0,0 @@
-import { useRef, useEffect } from "react";
-import type { PaymentEvent } from "../hooks/useEventStream";
-
-interface PaymentStreamProps {
-  events: PaymentEvent[];
-}
-
-const styles = {
-  container: {
-    maxHeight: 400,
-    overflowY: "auto" as const,
-    fontFamily: "monospace",
-    fontSize: 12,
-  },
-  event: (type: PaymentEvent["type"]) => ({
-    padding: "6px 8px",
-    borderBottom: "1px solid #333",
-    display: "flex",
-    alignItems: "center",
-    gap: 8,
-    backgroundColor:
-      type === "payment_failed" || type === "error"
-        ? "rgba(239, 68, 68, 0.1)"
-        : type === "request_served"
-          ? "rgba(34, 197, 94, 0.05)"
-          : "transparent",
-  }),
-  timestamp: {
-    color: "#666",
-    flexShrink: 0,
-    width: 80,
-  },
-  type: (type: PaymentEvent["type"]) => ({
-    color:
-      type === "payment_submitted"
-        ? "#f59e0b"
-        : type === "payment_confirmed"
-          ? "#3b82f6"
-          : type === "request_served"
-            ? "#22c55e"
-            : type === "payment_failed" || type === "error"
-              ? "#ef4444"
-              : "#888",
-    flexShrink: 0,
-    width: 110,
-  }),
-  agent: {
-    color: "#888",
-    flexShrink: 0,
-    width: 90,
-  },
-  details: {
-    color: "#aaa",
-    flex: 1,
-    overflow: "hidden",
-    textOverflow: "ellipsis",
-    whiteSpace: "nowrap" as const,
-  },
-  empty: {
-    color: "#666",
-    textAlign: "center" as const,
-    padding: 32,
-  },
-};
-
-function formatTime(timestamp: number): string {
-  const date = new Date(timestamp);
-  return date.toLocaleTimeString("en-US", {
-    hour12: false,
-    hour: "2-digit",
-    minute: "2-digit",
-    second: "2-digit",
-  });
-}
-
-function formatEventDetails(event: PaymentEvent): string {
-  switch (event.type) {
-    case "payment_submitted":
-      return `${event.amount} wei → ${event.to?.slice(0, 10)}...`;
-    case "payment_confirmed":
-      return event.txHash ? `tx: ${event.txHash.slice(0, 14)}...` : "";
-    case "request_served":
-      return `${event.endpoint} (${event.latencyMs}ms)`;
-    case "payment_failed":
-    case "error":
-      return event.error ?? "Unknown error";
-    default:
-      return "";
-  }
-}
-
-export function PaymentStream({ events }: PaymentStreamProps) {
-  const containerRef = useRef<HTMLDivElement>(null);
-  const shouldScrollRef = useRef(true);
-
-  // Auto-scroll to bottom when new events arrive
-  useEffect(() => {
-    if (containerRef.current && shouldScrollRef.current) {
-      containerRef.current.scrollTop = containerRef.current.scrollHeight;
-    }
-  }, [events]);
-
-  // Detect if user has scrolled up
-  const handleScroll = () => {
-    if (containerRef.current) {
-      const { scrollTop, scrollHeight, clientHeight } = containerRef.current;
-      shouldScrollRef.current = scrollHeight - scrollTop - clientHeight < 50;
-    }
-  };
-
-  // Show only recent events (last 100)
-  const recentEvents = events.slice(-100);
-
-  if (recentEvents.length === 0) {
-    return <div style={styles.empty}>Waiting for events...</div>;
-  }
-
-  return (
-    <div ref={containerRef} style={styles.container} onScroll={handleScroll}>
-      {recentEvents.map((event, idx) => (
-        <div key={`${event.timestamp}-${idx}`} style={styles.event(event.type)}>
-          <span style={styles.timestamp}>{formatTime(event.timestamp)}</span>
-          <span style={styles.type(event.type)}>{event.type}</span>
-          <span style={styles.agent}>{event.agentId}</span>
-          <span style={styles.details}>{formatEventDetails(event)}</span>
-        </div>
-      ))}
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/components/TpsCounter.tsx b/examples/x402-demo/frontend/src/components/TpsCounter.tsx
deleted file mode 100644
index 6cab1ae..0000000
--- a/examples/x402-demo/frontend/src/components/TpsCounter.tsx
+++ /dev/null
@@ -1,33 +0,0 @@
-interface TpsCounterProps {
-  value: number;
-}
-
-const styles = {
-  container: {
-    display: "flex",
-    alignItems: "baseline",
-    gap: 4,
-    padding: "8px 16px",
-    backgroundColor: "#1a1a1a",
-    borderRadius: 8,
-  },
-  value: {
-    fontSize: 32,
-    fontWeight: 700,
-    fontVariantNumeric: "tabular-nums",
-    color: "#3b82f6",
-  },
-  label: {
-    fontSize: 14,
-    color: "#888",
-  },
-};
-
-export function TpsCounter({ value }: TpsCounterProps) {
-  return (
-    <div style={styles.container}>
-      <span style={styles.value}>{value.toFixed(1)}</span>
-      <span style={styles.label}>TPS</span>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/hooks/useChainStats.ts b/examples/x402-demo/frontend/src/hooks/useChainStats.ts
deleted file mode 100644
index 4e3d203..0000000
--- a/examples/x402-demo/frontend/src/hooks/useChainStats.ts
+++ /dev/null
@@ -1,74 +0,0 @@
-import { useEffect, useState } from "react";
-import {
-  ApiError,
-  getChainStats,
-  getEventsSummary,
-  getHealth,
-  getLatestBlockTxCountViaRpc,
-  type ChainStats,
-} from "../lib/api";
-
-export interface UseChainStatsResult {
-  data: ChainStats | null;
-  error: string | null;
-  loading: boolean;
-}
-
-export function useChainStats(intervalMs: number = 1000): UseChainStatsResult {
-  const [data, setData] = useState<ChainStats | null>(null);
-  const [error, setError] = useState<string | null>(null);
-  const [loading, setLoading] = useState(true);
-
-  useEffect(() => {
-    let cancelled = false;
-
-    const fetchStats = async () => {
-      try {
-        let stats: ChainStats;
-        try {
-          stats = await getChainStats();
-        } catch (err) {
-          // Backward compatibility with older server versions lacking /api/chain.
-          if (!(err instanceof ApiError) || err.status !== 404) {
-            throw err;
-          }
-
-          const [health, events, latestBlockTxCount] = await Promise.all([
-            getHealth(),
-            getEventsSummary(),
-            getLatestBlockTxCountViaRpc(),
-          ]);
-          stats = {
-            chainId: health.chain.id,
-            blockNumber: health.chain.blockNumber,
-            latestBlockTxCount,
-            latestBlockTimestamp: null,
-            observedPaymentTxs: events.metrics.totalPayments,
-            observedServedRequests: events.metrics.totalRequests,
-          };
-        }
-
-        if (!cancelled) {
-          setData(stats);
-          setError(null);
-          setLoading(false);
-        }
-      } catch (err) {
-        if (!cancelled) {
-          setError(err instanceof Error ? err.message : "Failed to fetch chain stats");
-          setLoading(false);
-        }
-      }
-    };
-
-    fetchStats();
-    const timer = setInterval(fetchStats, intervalMs);
-
-    return () => {
-      cancelled = true;
-      clearInterval(timer);
-    };
-  }, [intervalMs]);
-
-  return { data, error, loading };
-}
diff --git a/examples/x402-demo/frontend/src/hooks/useEventStream.ts b/examples/x402-demo/frontend/src/hooks/useEventStream.ts
deleted file mode 100644
index ea65a30..0000000
--- a/examples/x402-demo/frontend/src/hooks/useEventStream.ts
+++ /dev/null
@@ -1,112 +0,0 @@
-import { useState, useEffect, useRef, useCallback } from "react";
-
-export interface PaymentEvent {
-  type:
-    | "payment_submitted"
-    | "payment_confirmed"
-    | "payment_failed"
-    | "request_served"
-    | "agent_connected"
-    | "agent_disconnected"
-    | "error";
-  timestamp: number;
-  agentId: string;
-  txHash?: string;
-  amount?: string;
-  endpoint?: string;
-  latencyMs?: number;
-  error?: string;
-  from?: string;
-  to?: string;
-}
-
-interface HistoryMessage {
-  type: "history";
-  events: PaymentEvent[];
-}
-
-type WebSocketMessage = PaymentEvent | HistoryMessage;
-
-export interface UseEventStreamReturn {
-  events: PaymentEvent[];
-  connected: boolean;
-  error: string | null;
-  clearEvents: () => void;
-}
-
-export function useEventStream(url: string): UseEventStreamReturn {
-  const [events, setEvents] = useState<PaymentEvent[]>([]);
-  const [connected, setConnected] = useState(false);
-  const [error, setError] = useState<string | null>(null);
-  const wsRef = useRef<WebSocket | null>(null);
-  const reconnectTimeoutRef = useRef<ReturnType<typeof setTimeout>>();
-
-  const connect = useCallback(() => {
-    if (wsRef.current?.readyState === WebSocket.OPEN) return;
-
-    try {
-      const ws = new WebSocket(url);
-      wsRef.current = ws;
-
-      ws.onopen = () => {
-        setConnected(true);
-        setError(null);
-        console.log("WebSocket connected");
-      };
-
-      ws.onclose = () => {
-        setConnected(false);
-        console.log("WebSocket disconnected, reconnecting...");
-        // Reconnect after 2 seconds
-        reconnectTimeoutRef.current = setTimeout(connect, 2000);
-      };
-
-      ws.onerror = (e) => {
-        setError("WebSocket connection error");
-        console.error("WebSocket error:", e);
-      };
-
-      ws.onmessage = (e) => {
-        try {
-          const message = JSON.parse(e.data) as WebSocketMessage;
-
-          if ("type" in message && message.type === "history") {
-            // Initial history load
-            setEvents(message.events);
-          } else {
-            // Single event
-            setEvents((prev) => {
-              const newEvents = [...prev, message as PaymentEvent];
-              // Keep last 500 events
-              return newEvents.slice(-500);
-            });
-          }
-        } catch (err) {
-          console.error("Failed to parse WebSocket message:", err);
-        }
-      };
-    } catch (err) {
-      setError("Failed to connect to WebSocket");
-      console.error("WebSocket connection failed:", err);
-    }
-  }, [url]);
-
-  useEffect(() => {
-    connect();
-
-    return () => {
-      if (reconnectTimeoutRef.current) {
-        clearTimeout(reconnectTimeoutRef.current);
-      }
-      if (wsRef.current) {
-        wsRef.current.close();
-      }
-    };
-  }, [connect]);
-
-  const clearEvents = useCallback(() => {
-    setEvents([]);
-  }, []);
-
-  return { events, connected, error, clearEvents };
-}
diff --git a/examples/x402-demo/frontend/src/hooks/useMetrics.ts b/examples/x402-demo/frontend/src/hooks/useMetrics.ts
deleted file mode 100644
index 1669beb..0000000
--- a/examples/x402-demo/frontend/src/hooks/useMetrics.ts
+++ /dev/null
@@ -1,164 +0,0 @@
-import { useMemo, useState, useEffect, useRef } from "react";
-import type { PaymentEvent } from "./useEventStream";
-
-export interface AgentStatus {
-  id: string;
-  totalRequests: number;
-  successfulRequests: number;
-  failedRequests: number;
-  totalLatencyMs: number;
-  lastSeen: number;
-  lastStatus: "success" | "failed" | "pending";
-}
-
-export interface Metrics {
-  totalRequests: number;
-  successfulRequests: number;
-  failedRequests: number;
-  mempoolErrors: number;
-  successRate: number;
-  avgLatencyMs: number;
-  p50LatencyMs: number;
-  p95LatencyMs: number;
-  p99LatencyMs: number;
-  currentTps: number;
-  agents: Map<string, AgentStatus>;
-  latencyHistogram: number[];
-}
-
-function percentile(sorted: number[], p: number): number {
-  if (sorted.length === 0) return 0;
-  const idx = Math.ceil((p / 100) * sorted.length) - 1;
-  return sorted[Math.max(0, idx)];
-}
-
-function isMempoolError(message?: string): boolean {
-  if (!message) return false;
-  return /transaction already in mempool|already known/i.test(message);
-}
-
-export function useMetrics(events: PaymentEvent[]): Metrics {
-  const [tps, setTps] = useState(0);
-  const recentRequestsRef = useRef<number[]>([]);
-
-  // Calculate TPS every 100ms
-  useEffect(() => {
-    const interval = setInterval(() => {
-      const now = Date.now();
-      const windowMs = 1000;
-      recentRequestsRef.current = recentRequestsRef.current.filter(
-        (t) => now - t < windowMs
-      );
-      setTps(recentRequestsRef.current.length);
-    }, 100);
-
-    return () => clearInterval(interval);
-  }, []);
-
-  // Track new request_served events for TPS
-  useEffect(() => {
-    const servedEvents = events.filter((e) => e.type === "request_served");
-    if (servedEvents.length > 0) {
-      const lastEvent = servedEvents[servedEvents.length - 1];
-      if (
-        !recentRequestsRef.current.includes(lastEvent.timestamp) &&
-        Date.now() - lastEvent.timestamp < 2000
-      ) {
-        recentRequestsRef.current.push(lastEvent.timestamp);
-      }
-    }
-  }, [events]);
-
-  return useMemo(() => {
-    const agents = new Map<string, AgentStatus>();
-    const latencies: number[] = [];
-
-    let totalRequests = 0;
-    let successfulRequests = 0;
-    let failedRequests = 0;
-    let mempoolErrors = 0;
-
-    for (const event of events) {
-      if (!event.agentId) continue;
-
-      // Initialize agent if not exists
-      if (!agents.has(event.agentId)) {
-        agents.set(event.agentId, {
-          id: event.agentId,
-          totalRequests: 0,
-          successfulRequests: 0,
-          failedRequests: 0,
-          totalLatencyMs: 0,
-          lastSeen: event.timestamp,
-          lastStatus: "pending",
-        });
-      }
-
-      const agent = agents.get(event.agentId)!;
-      agent.lastSeen = event.timestamp;
-
-      switch (event.type) {
-        case "request_served":
-          totalRequests++;
-          successfulRequests++;
-          agent.totalRequests++;
-          agent.successfulRequests++;
-          agent.lastStatus = "success";
-          if (event.latencyMs) {
-            latencies.push(event.latencyMs);
-            agent.totalLatencyMs += event.latencyMs;
-          }
-          break;
-
-        case "payment_failed":
-        case "error":
-          failedRequests++;
-          agent.failedRequests++;
-          agent.lastStatus = "failed";
-          if (isMempoolError(event.error)) {
-            mempoolErrors++;
-          }
-          break;
-
-        case "payment_submitted":
-          agent.lastStatus = "pending";
-          break;
-      }
-    }
-
-    // Calculate latency stats
-    const sortedLatencies = [...latencies].sort((a, b) => a - b);
-    const avgLatencyMs =
-      sortedLatencies.length > 0
-        ? sortedLatencies.reduce((a, b) => a + b, 0) / sortedLatencies.length
-        : 0;
-
-    // Create histogram buckets (0-50, 50-100, 100-200, 200-500, 500+)
-    const buckets = [0, 0, 0, 0, 0];
-    for (const lat of latencies) {
-      if (lat < 50) buckets[0]++;
-      else if (lat < 100) buckets[1]++;
-      else if (lat < 200) buckets[2]++;
-      else if (lat < 500) buckets[3]++;
-      else buckets[4]++;
-    }
-
-    const successRate =
-      totalRequests > 0 ? (successfulRequests / totalRequests) * 100 : 0;
-
-    return {
-      totalRequests,
-      successfulRequests,
-      failedRequests,
-      mempoolErrors,
-      successRate: Math.round(successRate * 10) / 10,
-      avgLatencyMs: Math.round(avgLatencyMs),
-      p50LatencyMs: percentile(sortedLatencies, 50),
-      p95LatencyMs: percentile(sortedLatencies, 95),
-      p99LatencyMs: percentile(sortedLatencies, 99),
-      currentTps: tps,
-      agents,
-      latencyHistogram: buckets,
-    };
-  }, [events, tps]);
-}
diff --git a/examples/x402-demo/frontend/src/hooks/usePasskey.ts b/examples/x402-demo/frontend/src/hooks/usePasskey.ts
deleted file mode 100644
index 7ae2f9e..0000000
--- a/examples/x402-demo/frontend/src/hooks/usePasskey.ts
+++ /dev/null
@@ -1,111 +0,0 @@
-import { useState, useCallback, useEffect } from "react";
-import {
-  startRegistration as webauthnRegister,
-  startAuthentication as webauthnAuth,
-} from "@simplewebauthn/browser";
-import {
-  startRegistration,
-  verifyRegistration,
-  startLogin,
-  verifyLogin,
-} from "../lib/api";
-
-type Session = {
-  token: string;
-  address: string;
-  username: string;
-};
-
-const SESSION_KEY = "x402_session";
-
-function loadSession(): Session | null {
-  try {
-    const stored = localStorage.getItem(SESSION_KEY);
-    return stored ? JSON.parse(stored) : null;
-  } catch {
-    return null;
-  }
-}
-
-function saveSession(session: Session | null) {
-  if (session) {
-    localStorage.setItem(SESSION_KEY, JSON.stringify(session));
-  } else {
-    localStorage.removeItem(SESSION_KEY);
-  }
-}
-
-export function usePasskey() {
-  const [session, setSession] = useState<Session | null>(loadSession);
-  const [loading, setLoading] = useState(false);
-  const [error, setError] = useState<string | null>(null);
-
-  useEffect(() => {
-    saveSession(session);
-  }, [session]);
-
-  const register = useCallback(async (username: string) => {
-    setLoading(true);
-    setError(null);
-
-    try {
-      const { options, userId } = await startRegistration(username);
-      const credential = await webauthnRegister({ optionsJSON: options });
-      const result = await verifyRegistration(userId, credential);
-
-      const newSession: Session = {
-        token: result.sessionToken,
-        address: result.address,
-        username,
-      };
-      setSession(newSession);
-      return newSession;
-    } catch (err) {
-      const message = err instanceof Error ? err.message : "Registration failed";
-      setError(message);
-      throw err;
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  const login = useCallback(async (username?: string) => {
-    setLoading(true);
-    setError(null);
-
-    try {
-      const { options, authId } = await startLogin(username);
-      const credential = await webauthnAuth({ optionsJSON: options });
-      const result = await verifyLogin(authId, credential);
-
-      const newSession: Session = {
-        token: result.sessionToken,
-        address: result.address,
-        username: result.username,
-      };
-      setSession(newSession);
-      return newSession;
-    } catch (err) {
-      const message = err instanceof Error ? err.message : "Login failed";
-      setError(message);
-      throw err;
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  const logout = useCallback(() => {
-    setSession(null);
-    setError(null);
-  }, []);
-
-  return {
-    session,
-    isAuthenticated: !!session,
-    loading,
-    error,
-    register,
-    login,
-    logout,
-  };
-}
diff --git a/examples/x402-demo/frontend/src/lib/api.ts b/examples/x402-demo/frontend/src/lib/api.ts
deleted file mode 100644
index c2f2b98..0000000
--- a/examples/x402-demo/frontend/src/lib/api.ts
+++ /dev/null
@@ -1,267 +0,0 @@
-const API_BASE = "";
-
-type ApiOptions = {
-  method?: string;
-  body?: unknown;
-  token?: string;
-  paymentSignature?: string;
-};
-
-export class ApiError extends Error {
-  constructor(
-    public status: number,
-    public data: unknown,
-    public headers: Headers
-  ) {
-    super(`API Error: ${status}`);
-  }
-
-  get isPaymentRequired(): boolean {
-    return this.status === 402;
-  }
-
-  get paymentRequirements(): PaymentRequired | null {
-    const header = this.headers.get("PAYMENT-REQUIRED");
-    if (!header) return null;
-    try {
-      return JSON.parse(atob(header));
-    } catch {
-      return null;
-    }
-  }
-}
-
-export type PaymentRequired = {
-  x402Version: number;
-  resource?: {
-    url: string;
-    description: string;
-    mimeType: string;
-  };
-  accepts: Array<{
-    scheme: string;
-    network: string;
-    asset: string;
-    amount: string;
-    payTo: string;
-    maxTimeoutSeconds?: number;
-    extra?: Record<string, unknown>;
-  }>;
-  description?: string;
-};
-
-async function api<T>(path: string, options: ApiOptions = {}): Promise<T> {
-  const headers: Record<string, string> = {
-    "Content-Type": "application/json",
-  };
-
-  if (options.token) {
-    headers["Authorization"] = `Bearer ${options.token}`;
-  }
-
-  if (options.paymentSignature) {
-    headers["PAYMENT-SIGNATURE"] = options.paymentSignature;
-  }
-
-  const res = await fetch(`${API_BASE}${path}`, {
-    method: options.method ?? "GET",
-    headers,
-    body: options.body ? JSON.stringify(options.body) : undefined,
-  });
-
-  if (!res.ok) {
-    const data = await res.json().catch(() => ({}));
-    throw new ApiError(res.status, data, res.headers);
-  }
-
-  return res.json();
-}
-
-// Auth endpoints - using 'any' for WebAuthn JSON types as they're passed through
-export async function startRegistration(username: string) {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  return api<{ options: any; userId: string }>(
-    "/auth/register",
-    { method: "POST", body: { username } }
-  );
-}
-
-export async function verifyRegistration(
-  userId: string,
-  credential: unknown
-) {
-  return api<{ success: boolean; address: string; sessionToken: string }>(
-    "/auth/register/verify",
-    { method: "POST", body: { userId, credential } }
-  );
-}
-
-export async function startLogin(username?: string) {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  return api<{ options: any; authId: string }>(
-    "/auth/login",
-    { method: "POST", body: { username } }
-  );
-}
-
-export async function verifyLogin(authId: string, credential: unknown) {
-  return api<{
-    success: boolean;
-    address: string;
-    username: string;
-    sessionToken: string;
-  }>("/auth/login/verify", { method: "POST", body: { authId, credential } });
-}
-
-// Wallet endpoints
-export async function getBalance(address: string) {
-  return api<{
-    address: string;
-    balance: string;
-    balanceFormatted: string;
-    nonce: number;
-  }>(`/wallet/balance?address=${address}`);
-}
-
-export async function getMyWallet(token: string) {
-  return api<{
-    address: string;
-    username: string;
-    balance: string;
-    balanceFormatted: string;
-  }>("/wallet/me", { token });
-}
-
-export async function requestFaucet(token: string) {
-  return api<{ txHash: string; newBalance: string }>("/wallet/faucet", {
-    method: "POST",
-    token,
-  });
-}
-
-export async function transfer(
-  token: string,
-  to: string,
-  amount: string
-) {
-  return api<{ txHash: string }>("/wallet/transfer", {
-    method: "POST",
-    token,
-    body: { to, amount },
-  });
-}
-
-// Transform endpoints (X402 protected)
-export async function transform(
-  operation: "echo" | "reverse" | "uppercase" | "hash",
-  input: string,
-  paymentSignature?: string
-) {
-  return api<{ output: string; operation: string; cost: string }>(
-    `/api/transform/${operation}`,
-    { method: "POST", body: { input }, paymentSignature }
-  );
-}
-
-export async function getPricing() {
-  return api<{
-    treasury: string;
-    network: string;
-    endpoints: Array<{ route: string; price: string; description: string }>;
-  }>("/api/pricing");
-}
-
-export type HealthResponse = {
-  status: string;
-  chain: {
-    id: number;
-    blockNumber: string;
-  };
-};
-
-export async function getHealth() {
-  return api<HealthResponse>("/health");
-}
-
-export type EventsSummaryResponse = {
-  metrics: {
-    totalPayments: number;
-    successfulPayments: number;
-    failedPayments: number;
-    totalRequests: number;
-  };
-};
-
-export async function getEventsSummary() {
-  return api<EventsSummaryResponse>("/api/events");
-}
-
-type RpcResponse<T> = {
-  result?: T;
-  error?: unknown;
-};
-
-async function callRpc<T>(method: string, params: unknown[]): Promise<T | null> {
-  const res = await fetch("/rpc", {
-    method: "POST",
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify({
-      jsonrpc: "2.0",
-      id: 1,
-      method,
-      params,
-    }),
-  });
-
-  const data = (await res.json()) as RpcResponse<T>;
-  if (data.error || data.result === undefined) return null;
-  return data.result;
-}
-
-export async function getLatestBlockTxCountViaRpc(): Promise<number | null> {
-  const result = await callRpc<string | null>(
-    "eth_getBlockTransactionCountByNumber",
-    ["latest"]
-  );
-  if (typeof result !== "string") return null;
-  return Number.parseInt(result, 16);
-}
-
-export type ChainStats = {
-  chainId: number;
-  blockNumber: string;
-  latestBlockTxCount: number | null;
-  latestBlockTimestamp: string | null;
-  observedPaymentTxs: number;
-  observedServedRequests: number;
-};
-
-export async function getChainStats() {
-  return api<ChainStats>("/api/chain");
-}
-
-// Payment helper — builds v2 PaymentPayload with resource + accepted
-export function createPaymentSignature(
-  txHash: string,
-  paymentRequired?: PaymentRequired,
-): string {
-  const payload = {
-    x402Version: 2,
-    resource: paymentRequired?.resource ?? {
-      url: "",
-      description: "",
-      mimeType: "application/json",
-    },
-    accepted: paymentRequired?.accepts?.[0] ?? {
-      scheme: "exact",
-      network: "evolve:1337",
-      asset: "native",
-      amount: "0",
-      payTo: "",
-      maxTimeoutSeconds: 300,
-      extra: {},
-    },
-    payload: { txHash },
-  };
-  return btoa(JSON.stringify(payload));
-}
diff --git a/examples/x402-demo/frontend/src/main.tsx b/examples/x402-demo/frontend/src/main.tsx
deleted file mode 100644
index f258e49..0000000
--- a/examples/x402-demo/frontend/src/main.tsx
+++ /dev/null
@@ -1,9 +0,0 @@
-import { StrictMode } from "react";
-import { createRoot } from "react-dom/client";
-import { App } from "./App";
-
-createRoot(document.getElementById("root")!).render(
-  <StrictMode>
-    <App />
-  </StrictMode>
-);
diff --git a/examples/x402-demo/frontend/src/pages/Dashboard.tsx b/examples/x402-demo/frontend/src/pages/Dashboard.tsx
deleted file mode 100644
index 118bce7..0000000
--- a/examples/x402-demo/frontend/src/pages/Dashboard.tsx
+++ /dev/null
@@ -1,177 +0,0 @@
-import { useEventStream } from "../hooks/useEventStream";
-import { useMetrics } from "../hooks/useMetrics";
-import { AgentGrid } from "../components/AgentGrid";
-import { PaymentStream } from "../components/PaymentStream";
-import { MetricsPanel } from "../components/MetricsPanel";
-import { TpsCounter } from "../components/TpsCounter";
-import { useChainStats } from "../hooks/useChainStats";
-
-const WS_URL = `ws://${window.location.hostname}:3000/ws/events`;
-
-const styles = {
-  container: {
-    display: "flex",
-    flexDirection: "column" as const,
-    gap: 24,
-    minHeight: "100vh",
-  },
-  header: {
-    display: "flex",
-    alignItems: "center",
-    justifyContent: "space-between",
-    padding: "16px 0",
-    borderBottom: "1px solid #333",
-  },
-  title: {
-    fontSize: 24,
-    fontWeight: 600,
-    margin: 0,
-  },
-  status: {
-    display: "flex",
-    alignItems: "center",
-    gap: 8,
-  },
-  statusDot: (connected: boolean) => ({
-    width: 8,
-    height: 8,
-    borderRadius: "50%",
-    backgroundColor: connected ? "#22c55e" : "#ef4444",
-  }),
-  statusText: {
-    fontSize: 12,
-    color: "#888",
-  },
-  grid: {
-    display: "grid",
-    gridTemplateColumns: "1fr 1fr",
-    gap: 24,
-  },
-  chainGrid: {
-    display: "grid",
-    gridTemplateColumns: "repeat(auto-fit, minmax(180px, 1fr))",
-    gap: 12,
-  },
-  chainCard: {
-    backgroundColor: "#111",
-    border: "1px solid #2a2a2a",
-    borderRadius: 8,
-    padding: 12,
-  },
-  chainLabel: {
-    fontSize: 11,
-    color: "#888",
-    marginBottom: 4,
-    textTransform: "uppercase" as const,
-    letterSpacing: 0.8,
-  },
-  chainValue: {
-    fontSize: 22,
-    fontWeight: 600,
-    color: "#fff",
-    fontVariantNumeric: "tabular-nums",
-  },
-  chainSubvalue: {
-    fontSize: 12,
-    color: "#777",
-    marginTop: 4,
-  },
-  fullWidth: {
-    gridColumn: "1 / -1",
-  },
-  section: {
-    backgroundColor: "#1a1a1a",
-    borderRadius: 8,
-    padding: 16,
-  },
-  sectionTitle: {
-    fontSize: 14,
-    fontWeight: 600,
-    color: "#888",
-    marginBottom: 12,
-    textTransform: "uppercase" as const,
-    letterSpacing: 1,
-  },
-};
-
-export function Dashboard() {
-  const { events, connected, error } = useEventStream(WS_URL);
-  const metrics = useMetrics(events);
-  const { data: chainStats, error: chainError, loading: chainLoading } = useChainStats(1000);
-
-  return (
-    <div style={styles.container}>
-      <header style={styles.header}>
-        <h1 style={styles.title}>X402 Agent Simulator</h1>
-        <div style={styles.status}>
-          <TpsCounter value={metrics.currentTps} />
-          <div style={styles.statusDot(connected)} />
-          <span style={styles.statusText}>
-            {connected ? "Connected" : "Disconnected"}
-          </span>
-        </div>
-      </header>
-
-      {error && (
-        <div style={{ color: "#ef4444", padding: 8, backgroundColor: "#1a1a1a", borderRadius: 4 }}>
-          {error}
-        </div>
-      )}
-      {chainError && (
-        <div style={{ color: "#ef4444", padding: 8, backgroundColor: "#1a1a1a", borderRadius: 4 }}>
-          Chain stats error: {chainError}
-        </div>
-      )}
-
-      <div style={styles.grid}>
-        <div style={{ ...styles.section, ...styles.fullWidth }}>
-          <div style={styles.sectionTitle}>EV Node</div>
-          <div style={styles.chainGrid}>
-            <div style={styles.chainCard}>
-              <div style={styles.chainLabel}>Latest Block</div>
-              <div style={styles.chainValue}>
-                {chainLoading || !chainStats ? "..." : Number(chainStats.blockNumber).toLocaleString()}
-              </div>
-            </div>
-            <div style={styles.chainCard}>
-              <div style={styles.chainLabel}>Txs In Latest Block</div>
-              <div style={styles.chainValue}>
-                {chainLoading || !chainStats
-                  ? "..."
-                  : chainStats.latestBlockTxCount === null
-                    ? "n/a"
-                    : chainStats.latestBlockTxCount.toLocaleString()}
-              </div>
-              <div style={styles.chainSubvalue}>
-                {chainStats?.latestBlockTimestamp
-                  ? new Date(chainStats.latestBlockTimestamp).toLocaleTimeString()
-                  : "timestamp n/a"}
-              </div>
-            </div>
-            <div style={styles.chainCard}>
-              <div style={styles.chainLabel}>Observed Payment Txs</div>
-              <div style={styles.chainValue}>
-                {chainLoading || !chainStats ? "..." : chainStats.observedPaymentTxs.toLocaleString()}
-              </div>
-            </div>
-          </div>
-        </div>
-
-        <div style={{ ...styles.section, ...styles.fullWidth }}>
-          <div style={styles.sectionTitle}>Metrics</div>
-          <MetricsPanel metrics={metrics} />
-        </div>
-
-        <div style={styles.section}>
-          <div style={styles.sectionTitle}>Active Agents ({metrics.agents.size})</div>
-          <AgentGrid agents={metrics.agents} />
-        </div>
-
-        <div style={styles.section}>
-          <div style={styles.sectionTitle}>Payment Stream</div>
-          <PaymentStream events={events} />
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/pages/Landing.tsx b/examples/x402-demo/frontend/src/pages/Landing.tsx
deleted file mode 100644
index 3ab43d0..0000000
--- a/examples/x402-demo/frontend/src/pages/Landing.tsx
+++ /dev/null
@@ -1,191 +0,0 @@
-import { useState } from "react";
-import { useNavigate } from "react-router-dom";
-import { usePasskey } from "../hooks/usePasskey";
-
-const styles = {
-  hero: {
-    textAlign: "center" as const,
-    padding: "48px 0",
-  },
-  title: {
-    fontSize: 48,
-    fontWeight: 700,
-    marginBottom: 16,
-  },
-  subtitle: {
-    fontSize: 18,
-    color: "#888",
-    marginBottom: 48,
-  },
-  form: {
-    maxWidth: 320,
-    margin: "0 auto",
-    display: "flex",
-    flexDirection: "column" as const,
-    gap: 12,
-  },
-  input: {
-    padding: "12px 16px",
-    fontSize: 16,
-    border: "1px solid #333",
-    borderRadius: 8,
-    background: "#111",
-    color: "#fff",
-  },
-  button: {
-    padding: "12px 16px",
-    fontSize: 16,
-    border: "none",
-    borderRadius: 8,
-    cursor: "pointer",
-    fontWeight: 600,
-  },
-  primary: {
-    background: "#3b82f6",
-    color: "#fff",
-  },
-  secondary: {
-    background: "#222",
-    color: "#fff",
-  },
-  error: {
-    color: "#ef4444",
-    fontSize: 14,
-    textAlign: "center" as const,
-  },
-  divider: {
-    display: "flex",
-    alignItems: "center",
-    gap: 12,
-    color: "#666",
-    fontSize: 14,
-  },
-  line: {
-    flex: 1,
-    height: 1,
-    background: "#333",
-  },
-  features: {
-    marginTop: 64,
-    display: "grid",
-    gridTemplateColumns: "repeat(auto-fit, minmax(200px, 1fr))",
-    gap: 24,
-  },
-  feature: {
-    padding: 24,
-    background: "#111",
-    borderRadius: 12,
-    border: "1px solid #222",
-  },
-  featureTitle: {
-    fontSize: 16,
-    fontWeight: 600,
-    marginBottom: 8,
-  },
-  featureText: {
-    fontSize: 14,
-    color: "#888",
-  },
-} as const;
-
-export function Landing() {
-  const navigate = useNavigate();
-  const { isAuthenticated, loading, error, register, login } = usePasskey();
-  const [username, setUsername] = useState("");
-  const [mode, setMode] = useState<"register" | "login">("register");
-
-  if (isAuthenticated) {
-    navigate("/wallet");
-    return null;
-  }
-
-  const handleSubmit = async (e: React.FormEvent) => {
-    e.preventDefault();
-    try {
-      if (mode === "register") {
-        await register(username);
-      } else {
-        await login(username || undefined);
-      }
-      navigate("/wallet");
-    } catch {
-      // Error handled by hook
-    }
-  };
-
-  return (
-    <div>
-      <div style={styles.hero}>
-        <h1 style={styles.title}>X402 Demo</h1>
-        <p style={styles.subtitle}>
-          Pay-per-request API monetization with HTTP 402
-        </p>
-
-        <form style={styles.form} onSubmit={handleSubmit}>
-          {mode === "register" && (
-            <input
-              style={styles.input}
-              type="text"
-              placeholder="Choose a username"
-              value={username}
-              onChange={(e) => setUsername(e.target.value)}
-              minLength={3}
-              required
-            />
-          )}
-
-          <button
-            type="submit"
-            style={{ ...styles.button, ...styles.primary }}
-            disabled={loading}
-          >
-            {loading
-              ? "..."
-              : mode === "register"
-              ? "Create Wallet with Passkey"
-              : "Login with Passkey"}
-          </button>
-
-          {error && <p style={styles.error}>{error}</p>}
-
-          <div style={styles.divider}>
-            <div style={styles.line} />
-            <span>or</span>
-            <div style={styles.line} />
-          </div>
-
-          <button
-            type="button"
-            style={{ ...styles.button, ...styles.secondary }}
-            onClick={() => setMode(mode === "register" ? "login" : "register")}
-          >
-            {mode === "register"
-              ? "Login to existing wallet"
-              : "Create new wallet"}
-          </button>
-        </form>
-      </div>
-
-      <div style={styles.features}>
-        <div style={styles.feature}>
-          <h3 style={styles.featureTitle}>Passkey Wallet</h3>
-          <p style={styles.featureText}>
-            Secure, phishing-resistant authentication with WebAuthn
-          </p>
-        </div>
-        <div style={styles.feature}>
-          <h3 style={styles.featureTitle}>HTTP 402</h3>
-          <p style={styles.featureText}>
-            Machine-readable payment flows using the X402 protocol
-          </p>
-        </div>
-        <div style={styles.feature}>
-          <h3 style={styles.featureTitle}>Micropayments</h3>
-          <p style={styles.featureText}>
-            Pay-per-request for API access with instant settlement
-          </p>
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/pages/Playground.tsx b/examples/x402-demo/frontend/src/pages/Playground.tsx
deleted file mode 100644
index 298f515..0000000
--- a/examples/x402-demo/frontend/src/pages/Playground.tsx
+++ /dev/null
@@ -1,282 +0,0 @@
-import { useState } from "react";
-import { useQuery } from "@tanstack/react-query";
-import { usePasskey } from "../hooks/usePasskey";
-import {
-  getPricing,
-  transform,
-  transfer,
-  ApiError,
-  createPaymentSignature,
-} from "../lib/api";
-
-const styles = {
-  grid: {
-    display: "grid",
-    gridTemplateColumns: "1fr 1fr",
-    gap: 24,
-  },
-  card: {
-    padding: 24,
-    background: "#111",
-    borderRadius: 12,
-    border: "1px solid #222",
-  },
-  label: {
-    fontSize: 14,
-    color: "#888",
-    marginBottom: 8,
-    display: "block",
-  },
-  textarea: {
-    width: "100%",
-    padding: 12,
-    fontSize: 14,
-    border: "1px solid #333",
-    borderRadius: 8,
-    background: "#0a0a0a",
-    color: "#fff",
-    fontFamily: "monospace",
-    resize: "vertical" as const,
-    minHeight: 100,
-  },
-  select: {
-    width: "100%",
-    padding: 12,
-    fontSize: 14,
-    border: "1px solid #333",
-    borderRadius: 8,
-    background: "#0a0a0a",
-    color: "#fff",
-    marginBottom: 16,
-  },
-  button: {
-    width: "100%",
-    padding: "12px 24px",
-    fontSize: 16,
-    border: "none",
-    borderRadius: 8,
-    cursor: "pointer",
-    fontWeight: 600,
-    background: "#3b82f6",
-    color: "#fff",
-  },
-  disabled: {
-    opacity: 0.5,
-    cursor: "not-allowed",
-  },
-  output: {
-    padding: 16,
-    background: "#0a0a0a",
-    borderRadius: 8,
-    fontFamily: "monospace",
-    fontSize: 14,
-    wordBreak: "break-all" as const,
-    minHeight: 100,
-  },
-  step: {
-    padding: 12,
-    background: "#1a1a1a",
-    borderRadius: 8,
-    marginBottom: 8,
-    fontSize: 14,
-  },
-  stepLabel: {
-    color: "#3b82f6",
-    fontWeight: 600,
-    marginBottom: 4,
-  },
-  stepContent: {
-    color: "#888",
-    fontFamily: "monospace",
-    fontSize: 12,
-  },
-  error: {
-    color: "#ef4444",
-  },
-  success: {
-    color: "#22c55e",
-  },
-} as const;
-
-type Operation = "echo" | "reverse" | "uppercase" | "hash";
-
-type Step = {
-  label: string;
-  content: string;
-  status: "pending" | "success" | "error";
-};
-
-export function Playground() {
-  const { session } = usePasskey();
-  const [input, setInput] = useState("Hello, X402!");
-  const [operation, setOperation] = useState<Operation>("reverse");
-  const [output, setOutput] = useState<string | null>(null);
-  const [steps, setSteps] = useState<Step[]>([]);
-  const [loading, setLoading] = useState(false);
-
-  const { data: pricing } = useQuery({
-    queryKey: ["pricing"],
-    queryFn: getPricing,
-  });
-
-  const addStep = (label: string, content: string, status: Step["status"]) => {
-    setSteps((prev) => [...prev, { label, content, status }]);
-  };
-
-  const handleSubmit = async () => {
-    if (!session) return;
-
-    setLoading(true);
-    setOutput(null);
-    setSteps([]);
-
-    try {
-      // Step 1: Try the request (expect 402)
-      addStep("Request", `POST /api/transform/${operation}`, "pending");
-
-      try {
-        const result = await transform(operation, input);
-        // If we get here without paying, something's wrong (or route is free)
-        setOutput(result.output);
-        setSteps((prev) =>
-          prev.map((s, i) =>
-            i === 0 ? { ...s, status: "success", content: "No payment required" } : s
-          )
-        );
-        return;
-      } catch (err) {
-        if (!(err instanceof ApiError) || !err.isPaymentRequired) {
-          throw err;
-        }
-
-        const requirements = err.paymentRequirements;
-        if (!requirements) throw new Error("No payment requirements");
-
-        setSteps((prev) =>
-          prev.map((s, i) =>
-            i === 0
-              ? {
-                  ...s,
-                  status: "success",
-                  content: `402 Payment Required: ${requirements.accepts[0].amount} tokens`,
-                }
-              : s
-          )
-        );
-
-        // Step 2: Pay
-        addStep("Payment", `Transferring ${requirements.accepts[0].amount} to treasury...`, "pending");
-
-        const paymentResult = await transfer(
-          session.token,
-          requirements.accepts[0].payTo,
-          requirements.accepts[0].amount
-        );
-
-        setSteps((prev) =>
-          prev.map((s, i) =>
-            i === 1
-              ? { ...s, status: "success", content: `TX: ${paymentResult.txHash.slice(0, 22)}...` }
-              : s
-          )
-        );
-
-        // Step 3: Retry with payment proof
-        addStep("Retry", "Retrying with payment signature...", "pending");
-
-        const signature = createPaymentSignature(paymentResult.txHash, requirements);
-        const result = await transform(operation, input, signature);
-
-        setSteps((prev) =>
-          prev.map((s, i) =>
-            i === 2 ? { ...s, status: "success", content: "200 OK" } : s
-          )
-        );
-
-        setOutput(result.output);
-      }
-    } catch (err) {
-      const message = err instanceof Error ? err.message : "Request failed";
-      addStep("Error", message, "error");
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const getPrice = (op: Operation) => {
-    const route = pricing?.endpoints.find((e) => e.route.includes(op));
-    return route?.price ?? "?";
-  };
-
-  return (
-    <div>
-      <h1 style={{ marginBottom: 24 }}>API Playground</h1>
-
-      <div style={styles.grid}>
-        <div style={styles.card}>
-          <label style={styles.label}>Input</label>
-          <textarea
-            style={styles.textarea}
-            value={input}
-            onChange={(e) => setInput(e.target.value)}
-            placeholder="Enter text to transform..."
-          />
-
-          <label style={{ ...styles.label, marginTop: 16 }}>Operation</label>
-          <select
-            style={styles.select}
-            value={operation}
-            onChange={(e) => setOperation(e.target.value as Operation)}
-          >
-            <option value="echo">Echo ({getPrice("echo")} tokens)</option>
-            <option value="reverse">Reverse ({getPrice("reverse")} tokens)</option>
-            <option value="uppercase">Uppercase ({getPrice("uppercase")} tokens)</option>
-            <option value="hash">SHA256 Hash ({getPrice("hash")} tokens)</option>
-          </select>
-
-          <button
-            style={{ ...styles.button, ...(loading ? styles.disabled : {}) }}
-            onClick={handleSubmit}
-            disabled={loading || !input}
-          >
-            {loading ? "Processing..." : "Transform"}
-          </button>
-        </div>
-
-        <div style={styles.card}>
-          <label style={styles.label}>X402 Flow</label>
-
-          {steps.length === 0 ? (
-            <div style={{ ...styles.output, color: "#666" }}>
-              Click Transform to see the payment flow
-            </div>
-          ) : (
-            <div>
-              {steps.map((step, i) => (
-                <div key={i} style={styles.step}>
-                  <div
-                    style={{
-                      ...styles.stepLabel,
-                      ...(step.status === "error" ? styles.error : {}),
-                      ...(step.status === "success" ? styles.success : {}),
-                    }}
-                  >
-                    {i + 1}. {step.label}
-                  </div>
-                  <div style={styles.stepContent}>{step.content}</div>
-                </div>
-              ))}
-            </div>
-          )}
-
-          {output && (
-            <>
-              <label style={{ ...styles.label, marginTop: 16 }}>Output</label>
-              <div style={styles.output}>{output}</div>
-            </>
-          )}
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/src/pages/Wallet.tsx b/examples/x402-demo/frontend/src/pages/Wallet.tsx
deleted file mode 100644
index 2045ed2..0000000
--- a/examples/x402-demo/frontend/src/pages/Wallet.tsx
+++ /dev/null
@@ -1,144 +0,0 @@
-import { useState } from "react";
-import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
-import { usePasskey } from "../hooks/usePasskey";
-import { getMyWallet, requestFaucet } from "../lib/api";
-
-const styles = {
-  card: {
-    padding: 24,
-    background: "#111",
-    borderRadius: 12,
-    border: "1px solid #222",
-    marginBottom: 24,
-  },
-  label: {
-    fontSize: 14,
-    color: "#888",
-    marginBottom: 4,
-  },
-  value: {
-    fontSize: 24,
-    fontWeight: 600,
-    fontFamily: "monospace",
-  },
-  address: {
-    fontSize: 14,
-    fontFamily: "monospace",
-    color: "#888",
-    wordBreak: "break-all" as const,
-  },
-  button: {
-    padding: "12px 24px",
-    fontSize: 16,
-    border: "none",
-    borderRadius: 8,
-    cursor: "pointer",
-    fontWeight: 600,
-    background: "#22c55e",
-    color: "#fff",
-  },
-  disabled: {
-    opacity: 0.5,
-    cursor: "not-allowed",
-  },
-  success: {
-    marginTop: 12,
-    padding: 12,
-    background: "#052e16",
-    borderRadius: 8,
-    fontSize: 14,
-    color: "#22c55e",
-  },
-  error: {
-    marginTop: 12,
-    padding: 12,
-    background: "#450a0a",
-    borderRadius: 8,
-    fontSize: 14,
-    color: "#ef4444",
-  },
-  row: {
-    display: "flex",
-    gap: 16,
-    alignItems: "center",
-  },
-} as const;
-
-export function Wallet() {
-  const { session } = usePasskey();
-  const queryClient = useQueryClient();
-  const [faucetResult, setFaucetResult] = useState<string | null>(null);
-
-  const { data: wallet, isLoading, error } = useQuery({
-    queryKey: ["wallet", session?.token],
-    queryFn: () => getMyWallet(session!.token),
-    enabled: !!session?.token,
-    refetchInterval: 5000,
-  });
-
-  const faucetMutation = useMutation({
-    mutationFn: () => requestFaucet(session!.token),
-    onSuccess: (data) => {
-      setFaucetResult(`Received tokens! TX: ${data.txHash.slice(0, 18)}...`);
-      queryClient.invalidateQueries({ queryKey: ["wallet"] });
-    },
-    onError: (err) => {
-      setFaucetResult(`Error: ${err instanceof Error ? err.message : "Failed"}`);
-    },
-  });
-
-  if (isLoading) {
-    return <div>Loading wallet...</div>;
-  }
-
-  if (error) {
-    return <div style={styles.error}>Failed to load wallet</div>;
-  }
-
-  return (
-    <div>
-      <h1 style={{ marginBottom: 24 }}>Your Wallet</h1>
-
-      <div style={styles.card}>
-        <div style={styles.label}>Balance</div>
-        <div style={styles.value}>{wallet?.balanceFormatted ?? "0"} EVO</div>
-      </div>
-
-      <div style={styles.card}>
-        <div style={styles.label}>Address</div>
-        <div style={styles.address}>{wallet?.address}</div>
-      </div>
-
-      <div style={styles.card}>
-        <div style={styles.label}>Faucet</div>
-        <p style={{ color: "#888", marginBottom: 16, fontSize: 14 }}>
-          Get test tokens to try the API playground
-        </p>
-        <div style={styles.row}>
-          <button
-            style={{
-              ...styles.button,
-              ...(faucetMutation.isPending ? styles.disabled : {}),
-            }}
-            onClick={() => {
-              setFaucetResult(null);
-              faucetMutation.mutate();
-            }}
-            disabled={faucetMutation.isPending}
-          >
-            {faucetMutation.isPending ? "Requesting..." : "Request Tokens"}
-          </button>
-        </div>
-        {faucetResult && (
-          <div
-            style={
-              faucetResult.startsWith("Error") ? styles.error : styles.success
-            }
-          >
-            {faucetResult}
-          </div>
-        )}
-      </div>
-    </div>
-  );
-}
diff --git a/examples/x402-demo/frontend/tsconfig.json b/examples/x402-demo/frontend/tsconfig.json
deleted file mode 100644
index a4c834a..0000000
--- a/examples/x402-demo/frontend/tsconfig.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2020",
-    "useDefineForClassFields": true,
-    "lib": ["ES2020", "DOM", "DOM.Iterable"],
-    "module": "ESNext",
-    "skipLibCheck": true,
-    "moduleResolution": "bundler",
-    "allowImportingTsExtensions": true,
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "noEmit": true,
-    "jsx": "react-jsx",
-    "strict": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true
-  },
-  "include": ["src"]
-}
diff --git a/examples/x402-demo/frontend/vite.config.ts b/examples/x402-demo/frontend/vite.config.ts
deleted file mode 100644
index 447aa63..0000000
--- a/examples/x402-demo/frontend/vite.config.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { defineConfig } from "vite";
-import react from "@vitejs/plugin-react";
-
-export default defineConfig({
-  plugins: [react()],
-  server: {
-    port: 5173,
-    host: true, // Allow external connections (for Docker)
-    proxy: {
-      "/api": process.env.VITE_API_URL || "http://localhost:3000",
-      "/auth": process.env.VITE_API_URL || "http://localhost:3000",
-      "/wallet": process.env.VITE_API_URL || "http://localhost:3000",
-      "/health": process.env.VITE_API_URL || "http://localhost:3000",
-      "/rpc": {
-        target: process.env.VITE_RPC_URL || "http://127.0.0.1:8545",
-        changeOrigin: true,
-        rewrite: (path) => path.replace(/^\/rpc/, ""),
-      },
-    },
-  },
-});
diff --git a/examples/x402-demo/genesis.json b/examples/x402-demo/genesis.json
deleted file mode 100644
index 3d9d184..0000000
--- a/examples/x402-demo/genesis.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "token": {
-    "name": "evolve",
-    "symbol": "ev",
-    "decimals": 6,
-    "icon_url": "https://lol.wtf",
-    "description": "The evolve coin"
-  },
-  "minter_id": 100002,
-  "accounts": [
-    { "eth_address": "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266", "balance": 1000000000 }
-  ]
-}
diff --git a/examples/x402-demo/server/Dockerfile b/examples/x402-demo/server/Dockerfile
deleted file mode 100644
index ef0ae40..0000000
--- a/examples/x402-demo/server/Dockerfile
+++ /dev/null
@@ -1,16 +0,0 @@
-FROM oven/bun:1.1-alpine
-
-WORKDIR /app
-
-# Install dependencies
-COPY package.json bun.lock* ./
-RUN bun install --frozen-lockfile
-
-# Copy source
-COPY . .
-
-# Expose port
-EXPOSE 3000
-
-# Run server
-CMD ["bun", "run", "src/index.ts"]
diff --git a/examples/x402-demo/server/bun.lock b/examples/x402-demo/server/bun.lock
deleted file mode 100644
index cbb69bd..0000000
--- a/examples/x402-demo/server/bun.lock
+++ /dev/null
@@ -1,223 +0,0 @@
-{
-  "lockfileVersion": 1,
-  "configVersion": 1,
-  "workspaces": {
-    "": {
-      "name": "x402-demo-server",
-      "dependencies": {
-        "@grpc/grpc-js": "^1.12.0",
-        "@grpc/proto-loader": "^0.7.0",
-        "@simplewebauthn/server": "^11.0.0",
-        "@x402/core": "^2.2.0",
-        "@x402/hono": "2.2.0",
-        "hono": "^4.6.0",
-        "viem": "^2.21.0",
-      },
-      "devDependencies": {
-        "@types/bun": "latest",
-        "typescript": "^5.6.0",
-      },
-    },
-  },
-  "packages": {
-    "@adraffy/ens-normalize": ["@adraffy/ens-normalize@1.11.1", "", {}, "sha512-nhCBV3quEgesuf7c7KYfperqSS14T8bYuvJ8PcLJp6znkZpFc0AuW4qBtr8eKVyPPe/8RSr7sglCWPU5eaxwKQ=="],
-
-    "@grpc/grpc-js": ["@grpc/grpc-js@1.14.3", "", { "dependencies": { "@grpc/proto-loader": "^0.8.0", "@js-sdsl/ordered-map": "^4.4.2" } }, "sha512-Iq8QQQ/7X3Sac15oB6p0FmUg/klxQvXLeileoqrTRGJYLV+/9tubbr9ipz0GKHjmXVsgFPo/+W+2cA8eNcR+XA=="],
-
-    "@grpc/proto-loader": ["@grpc/proto-loader@0.7.15", "", { "dependencies": { "lodash.camelcase": "^4.3.0", "long": "^5.0.0", "protobufjs": "^7.2.5", "yargs": "^17.7.2" }, "bin": { "proto-loader-gen-types": "build/bin/proto-loader-gen-types.js" } }, "sha512-tMXdRCfYVixjuFK+Hk0Q1s38gV9zDiDJfWL3h1rv4Qc39oILCu1TRTDt7+fGUI8K4G1Fj125Hx/ru3azECWTyQ=="],
-
-    "@hexagon/base64": ["@hexagon/base64@1.1.28", "", {}, "sha512-lhqDEAvWixy3bZ+UOYbPwUbBkwBq5C1LAJ/xPC8Oi+lL54oyakv/npbA0aU2hgCsx/1NUd4IBvV03+aUBWxerw=="],
-
-    "@js-sdsl/ordered-map": ["@js-sdsl/ordered-map@4.4.2", "", {}, "sha512-iUKgm52T8HOE/makSxjqoWhe95ZJA1/G1sYsGev2JDKUSS14KAgg1LHb+Ba+IPow0xflbnSkOsZcO08C7w1gYw=="],
-
-    "@levischuck/tiny-cbor": ["@levischuck/tiny-cbor@0.2.11", "", {}, "sha512-llBRm4dT4Z89aRsm6u2oEZ8tfwL/2l6BwpZ7JcyieouniDECM5AqNgr/y08zalEIvW3RSK4upYyybDcmjXqAow=="],
-
-    "@noble/ciphers": ["@noble/ciphers@1.3.0", "", {}, "sha512-2I0gnIVPtfnMw9ee9h1dJG7tp81+8Ob3OJb3Mv37rx5L40/b0i7djjCVvGOVqc9AEIQyvyu1i6ypKdFw8R8gQw=="],
-
-    "@noble/curves": ["@noble/curves@1.9.1", "", { "dependencies": { "@noble/hashes": "1.8.0" } }, "sha512-k11yZxZg+t+gWvBbIswW0yoJlu8cHOC7dhunwOzoWH/mXGBiYyR4YY6hAEK/3EUs4UpB8la1RfdRpeGsFHkWsA=="],
-
-    "@noble/hashes": ["@noble/hashes@1.8.0", "", {}, "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A=="],
-
-    "@peculiar/asn1-android": ["@peculiar/asn1-android@2.6.0", "", { "dependencies": { "@peculiar/asn1-schema": "^2.6.0", "asn1js": "^3.0.6", "tslib": "^2.8.1" } }, "sha512-cBRCKtYPF7vJGN76/yG8VbxRcHLPF3HnkoHhKOZeHpoVtbMYfY9ROKtH3DtYUY9m8uI1Mh47PRhHf2hSK3xcSQ=="],
-
-    "@peculiar/asn1-ecc": ["@peculiar/asn1-ecc@2.6.0", "", { "dependencies": { "@peculiar/asn1-schema": "^2.6.0", "@peculiar/asn1-x509": "^2.6.0", "asn1js": "^3.0.6", "tslib": "^2.8.1" } }, "sha512-FF3LMGq6SfAOwUG2sKpPXblibn6XnEIKa+SryvUl5Pik+WR9rmRA3OCiwz8R3lVXnYnyRkSZsSLdml8H3UiOcw=="],
-
-    "@peculiar/asn1-rsa": ["@peculiar/asn1-rsa@2.6.0", "", { "dependencies": { "@peculiar/asn1-schema": "^2.6.0", "@peculiar/asn1-x509": "^2.6.0", "asn1js": "^3.0.6", "tslib": "^2.8.1" } }, "sha512-Nu4C19tsrTsCp9fDrH+sdcOKoVfdfoQQ7S3VqjJU6vedR7tY3RLkQ5oguOIB3zFW33USDUuYZnPEQYySlgha4w=="],
-
-    "@peculiar/asn1-schema": ["@peculiar/asn1-schema@2.6.0", "", { "dependencies": { "asn1js": "^3.0.6", "pvtsutils": "^1.3.6", "tslib": "^2.8.1" } }, "sha512-xNLYLBFTBKkCzEZIw842BxytQQATQv+lDTCEMZ8C196iJcJJMBUZxrhSTxLaohMyKK8QlzRNTRkUmanucnDSqg=="],
-
-    "@peculiar/asn1-x509": ["@peculiar/asn1-x509@2.6.0", "", { "dependencies": { "@peculiar/asn1-schema": "^2.6.0", "asn1js": "^3.0.6", "pvtsutils": "^1.3.6", "tslib": "^2.8.1" } }, "sha512-uzYbPEpoQiBoTq0/+jZtpM6Gq6zADBx+JNFP3yqRgziWBxQ/Dt/HcuvRfm9zJTPdRcBqPNdaRHTVwpyiq6iNMA=="],
-
-    "@protobufjs/aspromise": ["@protobufjs/aspromise@1.1.2", "", {}, "sha512-j+gKExEuLmKwvz3OgROXtrJ2UG2x8Ch2YZUxahh+s1F2HZ+wAceUNLkvy6zKCPVRkU++ZWQrdxsUeQXmcg4uoQ=="],
-
-    "@protobufjs/base64": ["@protobufjs/base64@1.1.2", "", {}, "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg=="],
-
-    "@protobufjs/codegen": ["@protobufjs/codegen@2.0.4", "", {}, "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg=="],
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-    "@protobufjs/eventemitter": ["@protobufjs/eventemitter@1.1.0", "", {}, "sha512-j9ednRT81vYJ9OfVuXG6ERSTdEL1xVsNgqpkxMsbIabzSo3goCjDIveeGv5d03om39ML71RdmrGNjG5SReBP/Q=="],
-
-    "@protobufjs/fetch": ["@protobufjs/fetch@1.1.0", "", { "dependencies": { "@protobufjs/aspromise": "^1.1.1", "@protobufjs/inquire": "^1.1.0" } }, "sha512-lljVXpqXebpsijW71PZaCYeIcE5on1w5DlQy5WH6GLbFryLUrBD4932W/E2BSpfRJWseIL4v/KPgBFxDOIdKpQ=="],
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-    "@protobufjs/float": ["@protobufjs/float@1.0.2", "", {}, "sha512-Ddb+kVXlXst9d+R9PfTIxh1EdNkgoRe5tOX6t01f1lYWOvJnSPDBlG241QLzcyPdoNTsblLUdujGSE4RzrTZGQ=="],
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-
-    "@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
-
-    "@scure/bip32": ["@scure/bip32@1.7.0", "", { "dependencies": { "@noble/curves": "~1.9.0", "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-E4FFX/N3f4B80AKWp5dP6ow+flD1LQZo/w8UnLGYZO674jS6YnYeepycOOksv+vLPSpgN35wgKgy+ybfTb2SMw=="],
-
-    "@scure/bip39": ["@scure/bip39@1.6.0", "", { "dependencies": { "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-+lF0BbLiJNwVlev4eKelw1WWLaiKXw7sSl8T6FvBlWkdX+94aGJ4o8XjUdlyhTCjd8c+B3KT3JfS8P0bLRNU6A=="],
-
-    "@simplewebauthn/server": ["@simplewebauthn/server@11.0.0", "", { "dependencies": { "@hexagon/base64": "^1.1.27", "@levischuck/tiny-cbor": "^0.2.2", "@peculiar/asn1-android": "^2.3.10", "@peculiar/asn1-ecc": "^2.3.8", "@peculiar/asn1-rsa": "^2.3.8", "@peculiar/asn1-schema": "^2.3.8", "@peculiar/asn1-x509": "^2.3.8", "@simplewebauthn/types": "^11.0.0", "cross-fetch": "^4.0.0" } }, "sha512-zu8dxKcPiRUNSN2kmrnNOzNbRI8VaR/rL4ENCHUfC6PEE7SAAdIql9g5GBOd/wOVZolIsaZz3ccFxuGoVP0iaw=="],
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-    "@simplewebauthn/types": ["@simplewebauthn/types@11.0.0", "", {}, "sha512-b2o0wC5u2rWts31dTgBkAtSNKGX0cvL6h8QedNsKmj8O4QoLFQFR3DBVBUlpyVEhYKA+mXGUaXbcOc4JdQ3HzA=="],
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-
-    "@stablelib/random": ["@stablelib/random@1.0.2", "", { "dependencies": { "@stablelib/binary": "^1.0.1", "@stablelib/wipe": "^1.0.1" } }, "sha512-rIsE83Xpb7clHPVRlBj8qNe5L8ISQOzjghYQm/dZ7VaM2KHYwMW5adjQjrzTZCchFnNCNhkwtnOBa9HTMJCI8w=="],
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-
-    "@types/bun": ["@types/bun@1.3.6", "", { "dependencies": { "bun-types": "1.3.6" } }, "sha512-uWCv6FO/8LcpREhenN1d1b6fcspAB+cefwD7uti8C8VffIv0Um08TKMn98FynpTiU38+y2dUO55T11NgDt8VAA=="],
-
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-
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-
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-
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-
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-
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-
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-
-    "viem": ["viem@2.45.0", "", { "dependencies": { "@noble/curves": "1.9.1", "@noble/hashes": "1.8.0", "@scure/bip32": "1.7.0", "@scure/bip39": "1.6.0", "abitype": "1.2.3", "isows": "1.0.7", "ox": "0.11.3", "ws": "8.18.3" }, "peerDependencies": { "typescript": ">=5.0.4" }, "optionalPeers": ["typescript"] }, "sha512-iVA9qrAgRdtpWa80lCZ6Jri6XzmLOwwA1wagX2HnKejKeliFLpON0KOdyfqvcy+gUpBVP59LBxP2aKiL3aj8fg=="],
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-
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-
-    "yargs": ["yargs@17.7.2", "", { "dependencies": { "cliui": "^8.0.1", "escalade": "^3.1.1", "get-caller-file": "^2.0.5", "require-directory": "^2.1.1", "string-width": "^4.2.3", "y18n": "^5.0.5", "yargs-parser": "^21.1.1" } }, "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w=="],
-
-    "yargs-parser": ["yargs-parser@21.1.1", "", {}, "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw=="],
-
-    "zod": ["zod@3.25.76", "", {}, "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ=="],
-
-    "@grpc/grpc-js/@grpc/proto-loader": ["@grpc/proto-loader@0.8.0", "", { "dependencies": { "lodash.camelcase": "^4.3.0", "long": "^5.0.0", "protobufjs": "^7.5.3", "yargs": "^17.7.2" }, "bin": { "proto-loader-gen-types": "build/bin/proto-loader-gen-types.js" } }, "sha512-rc1hOQtjIWGxcxpb9aHAfLpIctjEnsDehj0DAiVfBlmT84uvR0uUtN2hEi/ecvWVjXUGf5qPF4qEgiLOx1YIMQ=="],
-
-    "@x402/extensions/@x402/core": ["@x402/core@2.3.1", "", { "dependencies": { "zod": "^3.24.2" } }, "sha512-CWvsf09tslISoVOzQ2TIoBLBP+bUycPsYmmRVe3EV5X2FtD7eXXpiPsiXLEVtWP7zhqLNP/5OIATsA2hSVLSfw=="],
-
-    "ethers/@adraffy/ens-normalize": ["@adraffy/ens-normalize@1.10.1", "", {}, "sha512-96Z2IP3mYmF1Xg2cDm8f1gWGf/HUVedQ3FMifV4kG/PQ4yEP51xDtRAEfhVNt5f/uzpNkZHwWQuUcu6D6K+Ekw=="],
-
-    "ethers/@noble/curves": ["@noble/curves@1.2.0", "", { "dependencies": { "@noble/hashes": "1.3.2" } }, "sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw=="],
-
-    "ethers/@noble/hashes": ["@noble/hashes@1.3.2", "", {}, "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ=="],
-
-    "ethers/@types/node": ["@types/node@22.7.5", "", { "dependencies": { "undici-types": "~6.19.2" } }, "sha512-jML7s2NAzMWc//QSJ1a3prpk78cOPchGvXJsC3C6R6PSMoooztvRVQEz89gmBTBY1SPMaqo5teB4uNHPdetShQ=="],
-
-    "ethers/tslib": ["tslib@2.7.0", "", {}, "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA=="],
-
-    "ethers/ws": ["ws@8.17.1", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ=="],
-
-    "ethers/@types/node/undici-types": ["undici-types@6.19.8", "", {}, "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="],
-  }
-}
diff --git a/examples/x402-demo/server/package.json b/examples/x402-demo/server/package.json
deleted file mode 100644
index 2b08d3c..0000000
--- a/examples/x402-demo/server/package.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "name": "x402-demo-server",
-  "version": "0.1.0",
-  "type": "module",
-  "scripts": {
-    "dev": "bun run --watch src/index.ts",
-    "start": "bun run src/index.ts",
-    "test": "bun test",
-    "test:watch": "bun test --watch",
-    "typecheck": "tsc --noEmit"
-  },
-  "dependencies": {
-    "@grpc/grpc-js": "^1.12.0",
-    "@grpc/proto-loader": "^0.7.0",
-    "@simplewebauthn/server": "^11.0.0",
-    "@x402/core": "^2.2.0",
-    "@x402/hono": "2.2.0",
-    "hono": "^4.6.0",
-    "viem": "^2.21.0"
-  },
-  "devDependencies": {
-    "@types/bun": "latest",
-    "typescript": "^5.6.0"
-  }
-}
diff --git a/examples/x402-demo/server/scripts/x402-e2e-test.ts b/examples/x402-demo/server/scripts/x402-e2e-test.ts
deleted file mode 100644
index a726a39..0000000
--- a/examples/x402-demo/server/scripts/x402-e2e-test.ts
+++ /dev/null
@@ -1,212 +0,0 @@
-#!/usr/bin/env bun
-/**
- * X402 E2E Test — runs against an already-running stack (evd + evgrpc + local-da).
- *
- * This script only starts the API server and runs the X402 payment flow.
- * All accounts except the faucet are generated dynamically.
- *
- * Prerequisites (must be running):
- *   - evd (gRPC :50051, JSON-RPC :8545)
- *   - local-da (:7980)
- *   - evgrpc (consensus)
- *
- * Usage:
- *   bun run scripts/x402-e2e-test.ts
- */
-import { spawn, type Subprocess } from "bun";
-import { dirname, resolve } from "node:path";
-import { fileURLToPath } from "node:url";
-
-import {
-  DEFAULT_RPC_URL,
-  DEFAULT_API_URL,
-  FAUCET_PRIVATE_KEY,
-  createEvolveChain,
-  addressToAccountId,
-  waitForRpc,
-  waitForApi,
-  getRpcChainId,
-  decodePaymentRequired,
-  expectStatus,
-  createTestClients,
-  encodePaymentSignature,
-  submitPaymentTransaction,
-  generateRandomAccount,
-  fundAccount,
-} from "./x402-e2e-utils.js";
-
-const __dirname = dirname(fileURLToPath(import.meta.url));
-const serverDir = resolve(__dirname, "..");
-
-function pipeOutput(proc: Subprocess, prefix: string): void {
-  proc.stdout?.pipeTo(
-    new WritableStream({
-      write(chunk) {
-        const text = Buffer.from(chunk).toString();
-        for (const line of text.split("\n")) {
-          if (line.trim()) console.log(`[${prefix}] ${line}`);
-        }
-      },
-    })
-  );
-  proc.stderr?.pipeTo(
-    new WritableStream({
-      write(chunk) {
-        const text = Buffer.from(chunk).toString();
-        for (const line of text.split("\n")) {
-          if (line.trim()) console.error(`[${prefix}] ${line}`);
-        }
-      },
-    })
-  );
-}
-
-async function main() {
-  const processes: Subprocess[] = [];
-
-  const cleanup = () => {
-    console.log("\nCleaning up processes...");
-    for (const proc of processes) {
-      try {
-        proc.kill();
-      } catch {
-        // ignore
-      }
-    }
-  };
-
-  process.on("SIGINT", cleanup);
-  process.on("SIGTERM", cleanup);
-
-  try {
-    // 1. Verify the stack is running
-    console.log("Checking that evd is running...");
-    await waitForRpc(DEFAULT_RPC_URL, 5_000);
-    console.log("evd is ready!");
-
-    // 2. Generate dynamic accounts
-    const treasury = generateRandomAccount();
-    const payer = generateRandomAccount();
-    console.log(`  Treasury (dynamic): ${treasury.address}`);
-    console.log(`  Payer (dynamic):    ${payer.address}`);
-
-    // 3. Start API server with dynamic treasury
-    console.log("Starting API server...");
-    const apiProc = spawn({
-      cmd: ["bun", "run", "src/index.ts"],
-      cwd: serverDir,
-      env: {
-        ...process.env,
-        EVOLVE_RPC_URL: DEFAULT_RPC_URL,
-        TREASURY_ADDRESS: treasury.address,
-      },
-      stdout: "pipe",
-      stderr: "pipe",
-    });
-    processes.push(apiProc);
-    pipeOutput(apiProc, "api");
-
-    console.log("Waiting for API server...");
-    await waitForApi();
-    console.log("API server is ready!");
-
-    // 4. Get chain ID and create clients
-    const chainId = await getRpcChainId();
-    console.log(`  Chain ID: ${chainId}`);
-
-    const evolveChain = createEvolveChain(chainId);
-    const faucetClients = createTestClients(evolveChain, DEFAULT_RPC_URL, FAUCET_PRIVATE_KEY);
-    const payerClients = createTestClients(evolveChain, DEFAULT_RPC_URL, payer.privateKey);
-
-    // 5. Fund the payer from faucet
-    const payerAccountId = addressToAccountId(payer.address as `0x${string}`);
-    const fundingAmount = 10_000_000n;
-    console.log(`\nStep 0: Funding payer (${payerAccountId}) with ${fundingAmount} tokens...`);
-    const fundTxHash = await fundAccount(
-      faucetClients.walletClient,
-      faucetClients.publicClient,
-      payerAccountId,
-      fundingAmount,
-    );
-    console.log(`  Funding tx confirmed: ${fundTxHash}`);
-
-    // 6. Run the X402 E2E test
-    console.log("\n=== Starting X402 E2E Test ===\n");
-
-    console.log("Step 1: Request protected endpoint (expect 402)...");
-    const initialRes = await fetch(`${DEFAULT_API_URL}/api/transform/reverse`, {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ input: "hello" }),
-    });
-
-    await expectStatus(initialRes, 402, "initial 402");
-    console.log("  Got 402 as expected.");
-
-    const paymentHeader = initialRes.headers.get("PAYMENT-REQUIRED");
-    if (!paymentHeader) {
-      throw new Error("Missing PAYMENT-REQUIRED header");
-    }
-
-    const paymentRequired = decodePaymentRequired(paymentHeader) as {
-      accepts: Array<{ amount: string; payTo: `0x${string}`; network: string }>;
-    };
-
-    const amount = BigInt(paymentRequired.accepts[0].amount);
-    const payTo = paymentRequired.accepts[0].payTo;
-    const network = paymentRequired.accepts[0].network;
-    const payToAccountId = addressToAccountId(payTo);
-
-    console.log(`  Payment required: ${amount} to ${payTo} (AccountId: ${payToAccountId})`);
-    console.log(`  Network: ${network}`);
-
-    // 7. Payer submits payment transaction (auto-registers as EOA on first tx)
-    console.log(`\nStep 2: Payer (${payerClients.account.address}) submitting payment...`);
-    const txHash = await submitPaymentTransaction(
-      payerClients.walletClient,
-      payerClients.publicClient,
-      payToAccountId,
-      amount
-    );
-
-    if (!txHash) {
-      throw new Error("Unable to submit a successful payment transaction");
-    }
-    console.log(`  Payment tx confirmed: ${txHash}`);
-
-    // 8. Retry with payment proof
-    console.log("\nStep 3: Retrying with PAYMENT-SIGNATURE...");
-    const paymentSignature = encodePaymentSignature({
-      x402Version: 2,
-      scheme: "exact",
-      network,
-      payload: { txHash },
-    });
-
-    const finalRes = await fetch(`${DEFAULT_API_URL}/api/transform/reverse`, {
-      method: "POST",
-      headers: {
-        "Content-Type": "application/json",
-        "PAYMENT-SIGNATURE": paymentSignature,
-      },
-      body: JSON.stringify({ input: "hello" }),
-    });
-
-    await expectStatus(finalRes, 200, "paid 200");
-
-    const body = await finalRes.json();
-    if (body.output !== "olleh") {
-      throw new Error(`Unexpected output: ${JSON.stringify(body)}`);
-    }
-
-    console.log(`  Got 200 with output: "${body.output}"`);
-    console.log("\n=== X402 E2E flow passed! ===\n");
-  } finally {
-    cleanup();
-  }
-}
-
-main().catch((err) => {
-  console.error(err);
-  process.exit(1);
-});
diff --git a/examples/x402-demo/server/scripts/x402-e2e-utils.ts b/examples/x402-demo/server/scripts/x402-e2e-utils.ts
deleted file mode 100644
index 48bd4d8..0000000
--- a/examples/x402-demo/server/scripts/x402-e2e-utils.ts
+++ /dev/null
@@ -1,311 +0,0 @@
-/**
- * Shared utilities for X402 E2E tests.
- */
-import {
-  bytesToHex,
-  createPublicClient,
-  createWalletClient,
-  defineChain,
-  http,
-  keccak256,
-  toBytes,
-  type PublicClient,
-  type WalletClient,
-  type Chain,
-  type HttpTransport,
-} from "viem";
-import { generatePrivateKey, privateKeyToAccount } from "viem/accounts";
-
-// Default configuration
-export const DEFAULT_RPC_URL = "http://127.0.0.1:8545";
-export const DEFAULT_API_URL = "http://127.0.0.1:3000";
-export const TOKEN_ACCOUNT_CANDIDATES = [65535n, 65537n];
-// Hardhat test account #0 (Alice) — faucet in evd genesis
-export const FAUCET_PRIVATE_KEY =
-  "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80" as const;
-
-/**
- * Create an Evolve chain definition for viem.
- */
-export function createEvolveChain(chainId: number) {
-  return defineChain({
-    id: chainId,
-    name: "Evolve Testnet",
-    nativeCurrency: { decimals: 18, name: "Evolve Token", symbol: "EVO" },
-    rpcUrls: { default: { http: [DEFAULT_RPC_URL] } },
-  });
-}
-
-/**
- * Convert a u128 value to little-endian bytes.
- */
-export function u128ToLeBytes(value: bigint): Uint8Array {
-  const bytes = new Uint8Array(16);
-  let v = value;
-  for (let i = 0; i < 16; i += 1) {
-    bytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  return bytes;
-}
-
-/**
- * Convert an account ID to an Ethereum-style address.
- */
-export function accountIdToAddress(id: bigint): `0x${string}` {
-  const idBytes = new Uint8Array(16);
-  let v = id;
-  for (let i = 15; i >= 0; i -= 1) {
-    idBytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  const addrBytes = new Uint8Array(20);
-  addrBytes.set(idBytes, 4);
-  return bytesToHex(addrBytes) as `0x${string}`;
-}
-
-/**
- * Build calldata for a token transfer.
- */
-export function buildTransferData(toAccountId: bigint, amount: bigint): `0x${string}` {
-  const selector = keccak256(toBytes("transfer")).slice(0, 10);
-  const args = new Uint8Array(32);
-  args.set(u128ToLeBytes(toAccountId), 0);
-  args.set(u128ToLeBytes(amount), 16);
-  const data = new Uint8Array(4 + args.length);
-  data.set(Buffer.from(selector.slice(2), "hex"), 0);
-  data.set(args, 4);
-  return bytesToHex(data) as `0x${string}`;
-}
-
-/**
- * Convert an Ethereum address to an account ID.
- */
-export function addressToAccountId(address: `0x${string}`): bigint {
-  const hex = address.slice(2);
-  const idHex = hex.slice(8);
-  return BigInt(`0x${idHex}`);
-}
-
-/**
- * Sleep for the specified duration.
- */
-export function sleep(ms: number): Promise<void> {
-  return new Promise((resolve) => setTimeout(resolve, ms));
-}
-
-/**
- * Decode a base64-encoded payment required header.
- */
-export function decodePaymentRequired(header: string): unknown {
-  return JSON.parse(Buffer.from(header, "base64").toString("utf-8"));
-}
-
-/**
- * Assert that a response has the expected status code.
- */
-export async function expectStatus(res: Response, expected: number, label: string): Promise<void> {
-  if (res.status !== expected) {
-    const body = await res.text().catch(() => "");
-    throw new Error(`${label}: expected ${expected}, got ${res.status}: ${body}`);
-  }
-}
-
-/**
- * Wait for a URL to become available.
- */
-export async function waitForUrl(
-  url: string,
-  method: string,
-  body: string | null,
-  timeoutMs = 60_000
-): Promise<void> {
-  const start = Date.now();
-  while (Date.now() - start < timeoutMs) {
-    try {
-      const res = await fetch(url, {
-        method,
-        headers: body ? { "Content-Type": "application/json" } : {},
-        body,
-      });
-      const data = await res.json().catch(() => null);
-      if (res.ok || data?.result) return;
-    } catch {
-      // ignore
-    }
-    await sleep(500);
-  }
-  throw new Error(`${url} did not become ready`);
-}
-
-/**
- * Wait for the RPC endpoint to be ready.
- */
-export async function waitForRpc(rpcUrl = DEFAULT_RPC_URL, timeoutMs = 60_000): Promise<void> {
-  return waitForUrl(
-    rpcUrl,
-    "POST",
-    JSON.stringify({ jsonrpc: "2.0", id: 1, method: "eth_blockNumber", params: [] }),
-    timeoutMs
-  );
-}
-
-/**
- * Wait for the API server to be ready.
- */
-export async function waitForApi(apiUrl = DEFAULT_API_URL, timeoutMs = 60_000): Promise<void> {
-  const start = Date.now();
-  while (Date.now() - start < timeoutMs) {
-    try {
-      const res = await fetch(`${apiUrl}/health`);
-      if (res.ok) return;
-    } catch {
-      // ignore
-    }
-    await sleep(500);
-  }
-  throw new Error("API server did not become ready");
-}
-
-/**
- * Get the chain ID from the RPC endpoint.
- */
-export async function getRpcChainId(rpcUrl = DEFAULT_RPC_URL): Promise<number> {
-  const res = await fetch(rpcUrl, {
-    method: "POST",
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify({ jsonrpc: "2.0", id: 1, method: "eth_chainId", params: [] }),
-  });
-  const data = await res.json();
-  if (!data?.result) {
-    throw new Error("eth_chainId returned no result");
-  }
-  return Number(BigInt(data.result));
-}
-
-/**
- * Generate a random account (private key + address).
- */
-export function generateRandomAccount(): {
-  privateKey: `0x${string}`;
-  address: `0x${string}`;
-} {
-  const privateKey = generatePrivateKey();
-  const account = privateKeyToAccount(privateKey);
-  return { privateKey, address: account.address };
-}
-
-/**
- * Fund an account using the faucet (Alice) by transferring tokens.
- */
-export async function fundAccount(
-  faucetWallet: WalletClient<HttpTransport, Chain>,
-  publicClient: PublicClient<HttpTransport, Chain>,
-  recipientAccountId: bigint,
-  amount: bigint,
-): Promise<`0x${string}`> {
-  for (const tokenAccountId of TOKEN_ACCOUNT_CANDIDATES) {
-    const tokenAddress = accountIdToAddress(tokenAccountId);
-    const data = buildTransferData(recipientAccountId, amount);
-
-    try {
-      const txHash = await faucetWallet.sendTransaction({
-        to: tokenAddress,
-        data,
-        value: 0n,
-        gas: 100_000n,
-        maxFeePerGas: 1_000_000_000n,
-        maxPriorityFeePerGas: 1_000_000_000n,
-      });
-
-      const receipt = await publicClient.waitForTransactionReceipt({
-        hash: txHash,
-        timeout: 30_000,
-      });
-      if (receipt.status === "success") {
-        return txHash;
-      }
-    } catch {
-      // try next candidate
-    }
-  }
-  throw new Error("Failed to fund account via faucet");
-}
-
-/**
- * Create viem clients for testing.
- */
-export function createTestClients(
-  chain: Chain,
-  rpcUrl = DEFAULT_RPC_URL,
-  privateKey = FAUCET_PRIVATE_KEY
-): {
-  account: ReturnType<typeof privateKeyToAccount>;
-  walletClient: WalletClient<HttpTransport, Chain>;
-  publicClient: PublicClient<HttpTransport, Chain>;
-} {
-  const account = privateKeyToAccount(privateKey);
-  const walletClient = createWalletClient({
-    account,
-    chain,
-    transport: http(rpcUrl),
-  });
-  const publicClient = createPublicClient({
-    chain,
-    transport: http(rpcUrl),
-  });
-  return { account, walletClient, publicClient };
-}
-
-/**
- * Encode a payment payload as a base64 signature header.
- */
-export function encodePaymentSignature(payload: {
-  x402Version: number;
-  scheme: string;
-  network: string;
-  payload: { txHash: `0x${string}` };
-}): string {
-  return Buffer.from(JSON.stringify(payload)).toString("base64");
-}
-
-/**
- * Submit a payment transaction and return the hash if successful.
- */
-export async function submitPaymentTransaction(
-  walletClient: WalletClient<HttpTransport, Chain>,
-  publicClient: PublicClient<HttpTransport, Chain>,
-  payToAccountId: bigint,
-  amount: bigint,
-  receiptTimeout = 30_000
-): Promise<`0x${string}` | null> {
-  for (const tokenAccountId of TOKEN_ACCOUNT_CANDIDATES) {
-    const tokenAddress = accountIdToAddress(tokenAccountId);
-    const data = buildTransferData(payToAccountId, amount);
-
-    console.log(`Submitting on-chain payment tx to token account ${tokenAccountId}...`);
-    try {
-      const candidateHash = await walletClient.sendTransaction({
-        to: tokenAddress,
-        data,
-        value: 0n,
-        gas: 100_000n,
-        maxFeePerGas: 1_000_000_000n,
-        maxPriorityFeePerGas: 1_000_000_000n,
-      });
-
-      console.log(`Waiting for receipt ${candidateHash}...`);
-      const receipt = await publicClient.waitForTransactionReceipt({
-        hash: candidateHash,
-        timeout: receiptTimeout,
-      });
-      if (receipt.status === "success") {
-        return candidateHash;
-      }
-      console.warn(`Payment tx failed for token ${tokenAccountId}, status: ${receipt.status}`);
-    } catch (err) {
-      console.warn(`Payment tx failed for token ${tokenAccountId}:`, err);
-    }
-  }
-  return null;
-}
diff --git a/examples/x402-demo/server/src/events.ts b/examples/x402-demo/server/src/events.ts
deleted file mode 100644
index 3d4cb55..0000000
--- a/examples/x402-demo/server/src/events.ts
+++ /dev/null
@@ -1,181 +0,0 @@
-import type { Hash, Address } from "viem";
-
-// Event types for the dashboard
-export type PaymentEventType =
-  | "payment_submitted"
-  | "payment_confirmed"
-  | "payment_failed"
-  | "request_served"
-  | "agent_connected"
-  | "agent_disconnected"
-  | "error";
-
-export interface PaymentEvent {
-  type: PaymentEventType;
-  timestamp: number;
-  agentId: string;
-  txHash?: Hash;
-  amount?: string;
-  endpoint?: string;
-  latencyMs?: number;
-  error?: string;
-  from?: Address;
-  to?: Address;
-}
-
-// Global event emitter for payment events
-class EventEmitter {
-  private connections: Set<WebSocket> = new Set();
-  private eventLog: PaymentEvent[] = [];
-  private maxLogSize = 1000;
-
-  addConnection(ws: WebSocket): void {
-    this.connections.add(ws);
-
-    // Send recent events to new connection
-    if (this.eventLog.length > 0) {
-      const recentEvents = this.eventLog.slice(-100);
-      ws.send(JSON.stringify({ type: "history", events: recentEvents }));
-    }
-  }
-
-  removeConnection(ws: WebSocket): void {
-    this.connections.delete(ws);
-  }
-
-  emit(event: PaymentEvent): void {
-    // Add to log
-    this.eventLog.push(event);
-    if (this.eventLog.length > this.maxLogSize) {
-      this.eventLog = this.eventLog.slice(-this.maxLogSize / 2);
-    }
-
-    // Broadcast to all connections
-    const message = JSON.stringify(event);
-    for (const ws of this.connections) {
-      try {
-        ws.send(message);
-      } catch {
-        // Connection may be closed
-        this.connections.delete(ws);
-      }
-    }
-  }
-
-  getConnectionCount(): number {
-    return this.connections.size;
-  }
-
-  getRecentEvents(count: number = 100): PaymentEvent[] {
-    return this.eventLog.slice(-count);
-  }
-
-  // Aggregated metrics for dashboard
-  getMetrics(): {
-    totalPayments: number;
-    successfulPayments: number;
-    failedPayments: number;
-    totalRequests: number;
-    uniqueAgents: Set<string>;
-  } {
-    const metrics = {
-      totalPayments: 0,
-      successfulPayments: 0,
-      failedPayments: 0,
-      totalRequests: 0,
-      uniqueAgents: new Set<string>(),
-    };
-
-    for (const event of this.eventLog) {
-      if (event.agentId) {
-        metrics.uniqueAgents.add(event.agentId);
-      }
-
-      switch (event.type) {
-        case "payment_submitted":
-          metrics.totalPayments++;
-          break;
-        case "payment_confirmed":
-          metrics.successfulPayments++;
-          break;
-        case "payment_failed":
-          metrics.failedPayments++;
-          break;
-        case "request_served":
-          metrics.totalRequests++;
-          break;
-      }
-    }
-
-    return metrics;
-  }
-}
-
-// Singleton instance
-export const eventEmitter = new EventEmitter();
-
-// Helper to emit payment submitted event
-export function emitPaymentSubmitted(
-  agentId: string,
-  txHash: Hash,
-  amount: string,
-  from?: Address,
-  to?: Address
-): void {
-  eventEmitter.emit({
-    type: "payment_submitted",
-    timestamp: Date.now(),
-    agentId,
-    txHash,
-    amount,
-    from,
-    to,
-  });
-}
-
-// Helper to emit payment confirmed event
-export function emitPaymentConfirmed(
-  agentId: string,
-  txHash: Hash,
-  latencyMs?: number
-): void {
-  eventEmitter.emit({
-    type: "payment_confirmed",
-    timestamp: Date.now(),
-    agentId,
-    txHash,
-    latencyMs,
-  });
-}
-
-// Helper to emit payment failed event
-export function emitPaymentFailed(
-  agentId: string,
-  txHash: Hash,
-  error: string
-): void {
-  eventEmitter.emit({
-    type: "payment_failed",
-    timestamp: Date.now(),
-    agentId,
-    txHash,
-    error,
-  });
-}
-
-// Helper to emit request served event
-export function emitRequestServed(
-  agentId: string,
-  endpoint: string,
-  latencyMs: number,
-  txHash?: Hash
-): void {
-  eventEmitter.emit({
-    type: "request_served",
-    timestamp: Date.now(),
-    agentId,
-    endpoint,
-    latencyMs,
-    txHash,
-  });
-}
diff --git a/examples/x402-demo/server/src/evolve.ts b/examples/x402-demo/server/src/evolve.ts
deleted file mode 100644
index 75f8a3d..0000000
--- a/examples/x402-demo/server/src/evolve.ts
+++ /dev/null
@@ -1,246 +0,0 @@
-import {
-  createPublicClient,
-  http,
-  defineChain,
-  type Address,
-  type Hash,
-  type PublicClient,
-  type HttpTransport,
-  type Chain,
-} from "viem";
-import { createEvolveGrpcClient, type EvolveGrpcClient } from "./grpc-client.js";
-
-// Evolve testnet chain definition
-export const evolveTestnet = defineChain({
-  id: 1337, // Default dev chain ID - configure via env
-  name: "Evolve Testnet",
-  nativeCurrency: {
-    decimals: 18,
-    name: "Evolve Token",
-    symbol: "EVO",
-  },
-  rpcUrls: {
-    default: {
-      http: [process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545"],
-    },
-  },
-});
-
-// Client mode
-export type ClientMode = "jsonrpc" | "grpc";
-
-export type EvolveClient = {
-  mode: ClientMode;
-  public: PublicClient<HttpTransport, Chain>;
-  grpc?: EvolveGrpcClient;
-};
-
-/**
- * Creates a client configured for Evolve node
- * Supports both JSON-RPC (viem) and gRPC backends
- */
-export async function createEvolveClient(options?: {
-  rpcUrl?: string;
-  grpcUrl?: string;
-  mode?: ClientMode;
-}): Promise<EvolveClient> {
-  const mode = options?.mode ?? (process.env.EVOLVE_GRPC_URL ? "grpc" : "jsonrpc");
-  const rpcUrl = options?.rpcUrl ?? process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545";
-  const grpcUrl = options?.grpcUrl ?? process.env.EVOLVE_GRPC_URL ?? "localhost:9545";
-
-  const transport = http(rpcUrl);
-  const publicClient = createPublicClient({
-    chain: evolveTestnet,
-    transport,
-  });
-
-  const client: EvolveClient = {
-    mode,
-    public: publicClient,
-  };
-
-  // Initialize gRPC client if using gRPC mode
-  if (mode === "grpc") {
-    try {
-      client.grpc = await createEvolveGrpcClient(grpcUrl);
-      console.log(`Connected to Evolve gRPC at ${grpcUrl}`);
-    } catch (err) {
-      console.warn(`Failed to connect to gRPC at ${grpcUrl}, falling back to JSON-RPC:`, err);
-      client.mode = "jsonrpc";
-    }
-  }
-
-  return client;
-}
-
-// Sync version for backwards compatibility (JSON-RPC only)
-export function createEvolveClientSync(rpcUrl?: string): EvolveClient {
-  const transport = http(rpcUrl ?? process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545");
-  const publicClient = createPublicClient({
-    chain: evolveTestnet,
-    transport,
-  });
-
-  return { mode: "jsonrpc", public: publicClient };
-}
-
-/**
- * Query token balance for an address
- */
-export async function getBalance(
-  client: EvolveClient,
-  address: Address
-): Promise<bigint> {
-  if (client.mode === "grpc" && client.grpc) {
-    return client.grpc.getBalance(address);
-  }
-  return client.public.getBalance({ address });
-}
-
-/**
- * Query transaction count (nonce) for an address
- */
-export async function getNonce(
-  client: EvolveClient,
-  address: Address
-): Promise<number> {
-  if (client.mode === "grpc" && client.grpc) {
-    return client.grpc.getTransactionCount(address);
-  }
-  return client.public.getTransactionCount({ address });
-}
-
-/**
- * Get transaction receipt by hash
- */
-export async function getTransactionReceipt(
-  client: EvolveClient,
-  hash: Hash
-): Promise<{ status: "success" | "reverted"; blockNumber: bigint; gasUsed: bigint } | null> {
-  if (client.mode === "grpc" && client.grpc) {
-    const receipt = await client.grpc.getTransactionReceipt(hash);
-    if (!receipt) return null;
-    return {
-      status: receipt.success ? "success" : "reverted",
-      blockNumber: BigInt(receipt.blockNumber),
-      gasUsed: BigInt(receipt.gasUsed),
-    };
-  }
-
-  const receipt = await client.public.getTransactionReceipt({ hash });
-  if (!receipt) return null;
-  return {
-    status: receipt.status,
-    blockNumber: receipt.blockNumber,
-    gasUsed: receipt.gasUsed,
-  };
-}
-
-/**
- * Wait for transaction confirmation
- */
-export async function waitForTransaction(
-  client: EvolveClient,
-  hash: Hash,
-  timeoutMs: number = 30000
-): Promise<{ status: "success" | "reverted"; blockNumber: bigint }> {
-  const startTime = Date.now();
-
-  // For gRPC, poll for receipt
-  if (client.mode === "grpc" && client.grpc) {
-    while (Date.now() - startTime < timeoutMs) {
-      const receipt = await client.grpc.getTransactionReceipt(hash);
-      if (receipt) {
-        return {
-          status: receipt.success ? "success" : "reverted",
-          blockNumber: BigInt(receipt.blockNumber),
-        };
-      }
-      // Poll every 10ms for fast block times
-      await new Promise((resolve) => setTimeout(resolve, 10));
-    }
-    throw new Error(`Transaction ${hash} not confirmed within ${timeoutMs}ms`);
-  }
-
-  // For JSON-RPC, use viem's built-in wait
-  const receipt = await client.public.waitForTransactionReceipt({ hash });
-  return {
-    status: receipt.status,
-    blockNumber: receipt.blockNumber,
-  };
-}
-
-/**
- * Get current block number
- */
-export async function getBlockNumber(client: EvolveClient): Promise<bigint> {
-  if (client.mode === "grpc" && client.grpc) {
-    const blockNum = await client.grpc.getBlockNumber();
-    return BigInt(blockNum);
-  }
-  return client.public.getBlockNumber();
-}
-
-/**
- * Get chain ID
- */
-export async function getChainId(client: EvolveClient): Promise<number> {
-  return client.public.getChainId();
-}
-
-/**
- * Check if transaction was successful
- */
-export async function isTransactionSuccessful(
-  client: EvolveClient,
-  hash: Hash
-): Promise<boolean> {
-  const receipt = await getTransactionReceipt(client, hash);
-  return receipt?.status === "success";
-}
-
-/**
- * Close the client (cleanup gRPC connections)
- */
-export function closeClient(client: EvolveClient): void {
-  if (client.grpc) {
-    client.grpc.close();
-  }
-}
-
-// Custom Evolve RPC methods (evolve_* namespace)
-// These use the underlying transport directly since viem doesn't know about evolve_* methods
-export async function listModules(client: EvolveClient): Promise<string[]> {
-  const response = await fetch(process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545", {
-    method: "POST",
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify({
-      jsonrpc: "2.0",
-      id: 1,
-      method: "evolve_listModules",
-      params: [],
-    }),
-  });
-  const data = (await response.json()) as { result?: string[]; error?: unknown };
-  if (data.error) throw new Error(JSON.stringify(data.error));
-  return data.result ?? [];
-}
-
-export async function getModuleSchema(
-  client: EvolveClient,
-  moduleId: string
-): Promise<unknown> {
-  const response = await fetch(process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545", {
-    method: "POST",
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify({
-      jsonrpc: "2.0",
-      id: 1,
-      method: "evolve_getModuleSchema",
-      params: [moduleId],
-    }),
-  });
-  const data = (await response.json()) as { result?: unknown; error?: unknown };
-  if (data.error) throw new Error(JSON.stringify(data.error));
-  return data.result;
-}
diff --git a/examples/x402-demo/server/src/grpc-client.ts b/examples/x402-demo/server/src/grpc-client.ts
deleted file mode 100644
index 9243e8d..0000000
--- a/examples/x402-demo/server/src/grpc-client.ts
+++ /dev/null
@@ -1,239 +0,0 @@
-import * as grpc from "@grpc/grpc-js";
-import * as protoLoader from "@grpc/proto-loader";
-import { type Address, type Hash } from "viem";
-import path from "path";
-
-// Path to the proto files (relative to the evolve repo root)
-const PROTO_PATH = path.resolve(
-  import.meta.dir,
-  "../../../../crates/rpc/grpc/proto"
-);
-
-// gRPC client types (matching the proto definitions)
-interface H256 {
-  data: Buffer;
-}
-
-interface AddressProto {
-  data: Buffer;
-}
-
-interface U256 {
-  data: Buffer;
-}
-
-interface Receipt {
-  transactionHash: H256;
-  transactionIndex: number;
-  blockHash: H256;
-  blockNumber: number;
-  from: AddressProto;
-  to?: AddressProto;
-  cumulativeGasUsed: number;
-  gasUsed: number;
-  effectiveGasPrice: U256;
-  contractAddress?: AddressProto;
-  logs: unknown[];
-  logsBloom: Buffer;
-  txType: number;
-  status: number; // 1 = success, 0 = failure
-}
-
-interface GetBalanceResponse {
-  balance: U256;
-}
-
-interface GetTransactionReceiptResponse {
-  receipt?: Receipt;
-}
-
-interface SendRawTransactionResponse {
-  hash: H256;
-}
-
-interface GetTransactionCountResponse {
-  count: number;
-}
-
-interface GetBlockNumberResponse {
-  blockNumber: number;
-}
-
-// Service client interface
-interface ExecutionServiceClient {
-  getBalance(
-    request: { address: AddressProto; block?: unknown },
-    callback: (err: grpc.ServiceError | null, response: GetBalanceResponse) => void
-  ): void;
-
-  getTransactionReceipt(
-    request: { hash: H256 },
-    callback: (err: grpc.ServiceError | null, response: GetTransactionReceiptResponse) => void
-  ): void;
-
-  sendRawTransaction(
-    request: { data: Buffer },
-    callback: (err: grpc.ServiceError | null, response: SendRawTransactionResponse) => void
-  ): void;
-
-  getTransactionCount(
-    request: { address: AddressProto; block?: unknown },
-    callback: (err: grpc.ServiceError | null, response: GetTransactionCountResponse) => void
-  ): void;
-
-  getBlockNumber(
-    request: Record<string, never>,
-    callback: (err: grpc.ServiceError | null, response: GetBlockNumberResponse) => void
-  ): void;
-}
-
-// Helper functions for type conversion
-function addressToProto(address: Address): AddressProto {
-  return { data: Buffer.from(address.slice(2), "hex") };
-}
-
-function hashToProto(hash: Hash): H256 {
-  return { data: Buffer.from(hash.slice(2), "hex") };
-}
-
-function protoToHash(h256: H256): Hash {
-  return `0x${Buffer.from(h256.data).toString("hex")}` as Hash;
-}
-
-function protoToU256(u256: U256): bigint {
-  if (!u256.data || u256.data.length === 0) return 0n;
-  return BigInt(`0x${Buffer.from(u256.data).toString("hex")}`);
-}
-
-// Typed client wrapper
-export interface EvolveGrpcClient {
-  getBalance(address: Address): Promise<bigint>;
-  getTransactionReceipt(hash: Hash): Promise<{
-    success: boolean;
-    blockNumber: number;
-    gasUsed: number;
-    from: Address;
-    to?: Address;
-  } | null>;
-  sendRawTransaction(signedTx: `0x${string}`): Promise<Hash>;
-  getTransactionCount(address: Address): Promise<number>;
-  getBlockNumber(): Promise<number>;
-  close(): void;
-}
-
-export async function createEvolveGrpcClient(
-  endpoint: string = "localhost:9545"
-): Promise<EvolveGrpcClient> {
-  // Load proto files
-  const packageDefinition = await protoLoader.load(
-    [
-      path.join(PROTO_PATH, "evolve/v1/execution.proto"),
-      path.join(PROTO_PATH, "evolve/v1/types.proto"),
-    ],
-    {
-      keepCase: false, // Convert to camelCase
-      longs: Number,
-      enums: String,
-      defaults: true,
-      oneofs: true,
-      includeDirs: [PROTO_PATH],
-    }
-  );
-
-  const protoDescriptor = grpc.loadPackageDefinition(packageDefinition);
-  const evolve = protoDescriptor.evolve as { v1: { ExecutionService: grpc.ServiceClientConstructor } };
-
-  // Create client
-  const client = new evolve.v1.ExecutionService(
-    endpoint,
-    grpc.credentials.createInsecure()
-  ) as unknown as ExecutionServiceClient;
-
-  return {
-    async getBalance(address: Address): Promise<bigint> {
-      return new Promise((resolve, reject) => {
-        client.getBalance(
-          { address: addressToProto(address) },
-          (err, response) => {
-            if (err) reject(err);
-            else resolve(protoToU256(response.balance));
-          }
-        );
-      });
-    },
-
-    async getTransactionReceipt(hash: Hash) {
-      return new Promise((resolve, reject) => {
-        client.getTransactionReceipt({ hash: hashToProto(hash) }, (err, response) => {
-          if (err) reject(err);
-          else if (!response.receipt) resolve(null);
-          else {
-            const r = response.receipt;
-            resolve({
-              success: r.status === 1,
-              blockNumber: r.blockNumber,
-              gasUsed: r.gasUsed,
-              from: `0x${Buffer.from(r.from.data).toString("hex")}` as Address,
-              to: r.to ? (`0x${Buffer.from(r.to.data).toString("hex")}` as Address) : undefined,
-            });
-          }
-        });
-      });
-    },
-
-    async sendRawTransaction(signedTx: `0x${string}`): Promise<Hash> {
-      return new Promise((resolve, reject) => {
-        client.sendRawTransaction(
-          { data: Buffer.from(signedTx.slice(2), "hex") },
-          (err, response) => {
-            if (err) reject(err);
-            else resolve(protoToHash(response.hash));
-          }
-        );
-      });
-    },
-
-    async getTransactionCount(address: Address): Promise<number> {
-      return new Promise((resolve, reject) => {
-        client.getTransactionCount(
-          { address: addressToProto(address) },
-          (err, response) => {
-            if (err) reject(err);
-            else resolve(response.count);
-          }
-        );
-      });
-    },
-
-    async getBlockNumber(): Promise<number> {
-      return new Promise((resolve, reject) => {
-        client.getBlockNumber({}, (err, response) => {
-          if (err) reject(err);
-          else resolve(response.blockNumber);
-        });
-      });
-    },
-
-    close() {
-      grpc.closeClient(client as unknown as grpc.Client);
-    },
-  };
-}
-
-// Singleton instance for the server
-let grpcClientInstance: EvolveGrpcClient | null = null;
-
-export async function getGrpcClient(): Promise<EvolveGrpcClient> {
-  if (!grpcClientInstance) {
-    const endpoint = process.env.EVOLVE_GRPC_URL ?? "localhost:9545";
-    grpcClientInstance = await createEvolveGrpcClient(endpoint);
-  }
-  return grpcClientInstance;
-}
-
-export function closeGrpcClient(): void {
-  if (grpcClientInstance) {
-    grpcClientInstance.close();
-    grpcClientInstance = null;
-  }
-}
diff --git a/examples/x402-demo/server/src/index.ts b/examples/x402-demo/server/src/index.ts
deleted file mode 100644
index fb74c61..0000000
--- a/examples/x402-demo/server/src/index.ts
+++ /dev/null
@@ -1,285 +0,0 @@
-import { Hono } from "hono";
-import { cors } from "hono/cors";
-import { logger } from "hono/logger";
-import {
-  createEvolveClient,
-  createEvolveClientSync,
-  getBlockNumber,
-  getChainId,
-  getBalance,
-  type EvolveClient,
-} from "./evolve.js";
-import { createWalletRoutes } from "./wallet.js";
-import { createPasskeyRoutes } from "./passkey.js";
-import {
-  createTransformRoutes,
-  TRANSFORM_ROUTES,
-  TREASURY_ADDRESS,
-  NETWORK,
-} from "./transform.js";
-import { eventEmitter } from "./events.js";
-import { x402ResourceServer } from "@x402/core/server";
-import { EvolveFacilitatorClient } from "./x402/evolve-facilitator.js";
-import { EvolveSchemeServer } from "./x402/evolve-scheme-server.js";
-import { paymentMiddleware, captureAgentId, registerEventHooks } from "./x402/hono-middleware.js";
-
-const EVOLVE_RPC_URL = process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545";
-
-// Global client reference (initialized async)
-let evolveClient: EvolveClient;
-
-async function getBlockTxCountFromRpc(blockNumber: bigint): Promise<number | null> {
-  const blockTag = `0x${blockNumber.toString(16)}`;
-  const result = await callRpc<string>("eth_getBlockTransactionCountByNumber", [blockTag]);
-  return result ? Number.parseInt(result, 16) : null;
-}
-
-async function callRpc<T>(method: string, params: unknown[]): Promise<T | null> {
-  try {
-    const response = await fetch(EVOLVE_RPC_URL, {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({
-        jsonrpc: "2.0",
-        id: 1,
-        method,
-        params,
-      }),
-    });
-    const data = (await response.json()) as {
-      result?: T;
-      error?: unknown;
-    };
-    if (data.error || data.result === undefined) {
-      return null;
-    }
-    return data.result;
-  } catch {
-    return null;
-  }
-}
-
-
-function createApp(client: EvolveClient) {
-  const app = new Hono();
-
-  // Middleware
-  app.use("*", logger());
-  app.use(
-    "*",
-    cors({
-      origin: process.env.CORS_ORIGIN ?? "*",
-      allowMethods: ["GET", "POST", "OPTIONS"],
-      allowHeaders: ["Content-Type", "Authorization", "PAYMENT-SIGNATURE", "X-Agent-ID"],
-      exposeHeaders: ["PAYMENT-REQUIRED", "PAYMENT-RESPONSE"],
-    })
-  );
-
-  // Apply X402 middleware for protected routes
-  const facilitator = new EvolveFacilitatorClient(client, NETWORK);
-  const resourceServer = new x402ResourceServer(facilitator);
-  resourceServer.register(NETWORK, new EvolveSchemeServer());
-  registerEventHooks(resourceServer);
-  app.use("/api/transform/*", captureAgentId());
-  app.use("/api/transform/*", paymentMiddleware(TRANSFORM_ROUTES, resourceServer));
-
-  // Health check with chain info
-  app.get("/health", async (c) => {
-    try {
-      const [blockNumber, chainId] = await Promise.all([
-        getBlockNumber(client),
-        getChainId(client),
-      ]);
-
-      return c.json({
-        status: "ok",
-        mode: client.mode,
-        chain: {
-          id: chainId,
-          blockNumber: blockNumber.toString(),
-        },
-        x402: {
-          treasury: TREASURY_ADDRESS,
-          network: NETWORK,
-          asset: "native",
-        },
-        timestamp: new Date().toISOString(),
-      });
-    } catch (err) {
-      console.error("Health check failed:", err);
-      return c.json(
-        {
-          status: "error",
-          error: "Cannot connect to Evolve node",
-          rpcUrl: process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545",
-        },
-        503
-      );
-    }
-  });
-
-  // Mount routes
-  app.route("/auth", createPasskeyRoutes());
-  app.route("/wallet", createWalletRoutes(client));
-  app.route("/api/transform", createTransformRoutes());
-
-  // Pricing info endpoint
-  app.get("/api/pricing", (c) => {
-    const routes = TRANSFORM_ROUTES as Record<string, { accepts: { price: string }; description?: string }>;
-    const pricing = Object.entries(routes).map(([route, config]) => ({
-      route,
-      price: String(config.accepts.price),
-      description: config.description ?? "",
-    }));
-
-    return c.json({
-      treasury: TREASURY_ADDRESS,
-      network: NETWORK,
-      asset: "native",
-      endpoints: pricing,
-    });
-  });
-
-  // Events endpoint - returns recent events and metrics (for non-WebSocket clients)
-  app.get("/api/events", (c) => {
-    const metrics = eventEmitter.getMetrics();
-    return c.json({
-      events: eventEmitter.getRecentEvents(100),
-      metrics: {
-        totalPayments: metrics.totalPayments,
-        successfulPayments: metrics.successfulPayments,
-        failedPayments: metrics.failedPayments,
-        totalRequests: metrics.totalRequests,
-        uniqueAgents: metrics.uniqueAgents.size,
-      },
-      wsConnections: eventEmitter.getConnectionCount(),
-    });
-  });
-
-  // Chain stats endpoint for dashboard widgets
-  app.get("/api/chain", async (c) => {
-    try {
-      const [blockNumber, chainId] = await Promise.all([
-        getBlockNumber(client),
-        getChainId(client),
-      ]);
-      const metrics = eventEmitter.getMetrics();
-
-      let latestBlockTxCount = await getBlockTxCountFromRpc(blockNumber);
-      let latestBlockTimestamp: string | null = null;
-
-      try {
-        const block = await client.public.getBlock({
-          blockNumber,
-          includeTransactions: false,
-        });
-        if (latestBlockTxCount === null) {
-          latestBlockTxCount = block.transactions.length;
-        }
-        latestBlockTimestamp = new Date(Number(block.timestamp) * 1000).toISOString();
-      } catch (err) {
-        // Some dev RPC implementations may not support all block fields.
-        console.warn("Failed to fetch latest block details:", err);
-      }
-
-      return c.json({
-        chainId,
-        blockNumber: blockNumber.toString(),
-        latestBlockTxCount,
-        latestBlockTimestamp,
-        observedPaymentTxs: metrics.totalPayments,
-        observedServedRequests: metrics.totalRequests,
-      });
-    } catch (err) {
-      console.error("Failed to fetch chain stats:", err);
-      return c.json(
-        { error: "Failed to fetch chain stats from ev-node" },
-        503
-      );
-    }
-  });
-
-  // Treasury balance endpoint
-  app.get("/api/treasury", async (c) => {
-    try {
-      const balance = await getBalance(client, TREASURY_ADDRESS);
-      return c.json({
-        address: TREASURY_ADDRESS,
-        balance: balance.toString(),
-      });
-    } catch (err) {
-      return c.json({ error: "Failed to get treasury balance" }, 500);
-    }
-  });
-
-  return app;
-}
-
-async function main() {
-  const port = parseInt(process.env.PORT ?? "3000", 10);
-
-  console.log(`Starting x402-demo server on port ${port}`);
-  console.log(`Evolve RPC: ${process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545"}`);
-  if (process.env.EVOLVE_GRPC_URL) {
-    console.log(`Evolve gRPC: ${process.env.EVOLVE_GRPC_URL}`);
-  }
-  console.log(`Treasury: ${TREASURY_ADDRESS}`);
-  console.log(`Network: ${NETWORK}`);
-
-  // Initialize Evolve client (async for gRPC support)
-  try {
-    evolveClient = await createEvolveClient();
-    console.log(`Client mode: ${evolveClient.mode}`);
-  } catch (err) {
-    console.warn("Failed to create async client, using sync JSON-RPC client:", err);
-    evolveClient = createEvolveClientSync();
-  }
-
-  const app = createApp(evolveClient);
-
-  // Bun server with WebSocket support
-  const server = Bun.serve({
-    port,
-    fetch(req, server) {
-      const url = new URL(req.url);
-
-      // Handle WebSocket upgrade for /ws/events
-      if (url.pathname === "/ws/events") {
-        const upgraded = server.upgrade(req);
-        if (upgraded) {
-          return undefined; // Bun handles the response
-        }
-        return new Response("WebSocket upgrade failed", { status: 500 });
-      }
-
-      // Handle all other requests with Hono
-      return app.fetch(req);
-    },
-    websocket: {
-      open(ws) {
-        console.log("WebSocket client connected");
-        eventEmitter.addConnection(ws as unknown as WebSocket);
-      },
-      close(ws) {
-        console.log("WebSocket client disconnected");
-        eventEmitter.removeConnection(ws as unknown as WebSocket);
-      },
-      message(ws, message) {
-        // Handle incoming messages (e.g., ping/pong)
-        try {
-          const data = JSON.parse(message.toString());
-          if (data.type === "ping") {
-            ws.send(JSON.stringify({ type: "pong", timestamp: Date.now() }));
-          }
-        } catch {
-          // Ignore invalid messages
-        }
-      },
-    },
-  });
-
-  console.log(`Server running at http://localhost:${server.port}`);
-  console.log(`WebSocket events at ws://localhost:${server.port}/ws/events`);
-}
-
-main().catch(console.error);
diff --git a/examples/x402-demo/server/src/passkey.ts b/examples/x402-demo/server/src/passkey.ts
deleted file mode 100644
index d84d974..0000000
--- a/examples/x402-demo/server/src/passkey.ts
+++ /dev/null
@@ -1,396 +0,0 @@
-import {
-  generateRegistrationOptions,
-  verifyRegistrationResponse,
-  generateAuthenticationOptions,
-  verifyAuthenticationResponse,
-  type VerifiedRegistrationResponse,
-  type VerifiedAuthenticationResponse,
-} from "@simplewebauthn/server";
-import type {
-  RegistrationResponseJSON,
-  AuthenticationResponseJSON,
-  PublicKeyCredentialCreationOptionsJSON,
-  PublicKeyCredentialRequestOptionsJSON,
-  AuthenticatorTransportFuture,
-} from "@simplewebauthn/types";
-import { Hono, type MiddlewareHandler } from "hono";
-import { generatePrivateKey, privateKeyToAccount } from "viem/accounts";
-import { type Address, type Hex } from "viem";
-
-// Relying Party configuration
-const RP_NAME = "X402 Demo";
-const RP_ID = process.env.RP_ID ?? "localhost";
-const RP_ORIGIN = process.env.RP_ORIGIN ?? "http://localhost:5173";
-
-// In-memory stores (use Redis/SQLite in production)
-type StoredCredential = {
-  credentialId: string; // base64url encoded
-  credentialPublicKey: Uint8Array;
-  counter: number;
-  transports?: AuthenticatorTransportFuture[];
-};
-
-export type UserRecord = {
-  id: string;
-  username: string;
-  credentials: StoredCredential[];
-  // Server-managed signing key (secp256k1)
-  privateKey: Hex;
-  address: Address;
-};
-
-// Stores
-const users = new Map<string, UserRecord>();
-const sessions = new Map<string, { userId: string; expiresAt: number }>();
-const pendingRegistrations = new Map<string, { challenge: string; userId: string; username: string }>();
-const pendingAuthentications = new Map<string, { challenge: string; userId: string }>();
-
-/**
- * Generate a random user ID
- */
-function generateUserId(): string {
-  const bytes = crypto.getRandomValues(new Uint8Array(16));
-  return Array.from(bytes).map(b => b.toString(16).padStart(2, '0')).join('');
-}
-
-/**
- * Generate a session token
- */
-function generateSessionToken(): string {
-  const bytes = crypto.getRandomValues(new Uint8Array(32));
-  return Array.from(bytes).map(b => b.toString(16).padStart(2, '0')).join('');
-}
-
-/**
- * Create a new server-managed wallet for the user
- */
-function createServerWallet(): { privateKey: Hex; address: Address } {
-  const privateKey = generatePrivateKey();
-  const account = privateKeyToAccount(privateKey);
-  return { privateKey, address: account.address };
-}
-
-/**
- * Get user by credential ID (base64url encoded)
- */
-function getUserByCredentialId(credentialId: string): UserRecord | undefined {
-  for (const user of users.values()) {
-    const found = user.credentials.find((c) => c.credentialId === credentialId);
-    if (found) return user;
-  }
-  return undefined;
-}
-
-/**
- * Get user by username
- */
-function getUserByUsername(username: string): UserRecord | undefined {
-  for (const user of users.values()) {
-    if (user.username === username) return user;
-  }
-  return undefined;
-}
-
-/**
- * Validate session token and return user
- */
-export function validateSession(token: string): UserRecord | null {
-  const session = sessions.get(token);
-  if (!session) return null;
-  if (Date.now() > session.expiresAt) {
-    sessions.delete(token);
-    return null;
-  }
-  return users.get(session.userId) ?? null;
-}
-
-/**
- * Auth middleware - validates Bearer token
- */
-export function authMiddleware(): MiddlewareHandler {
-  return async (c, next) => {
-    const authHeader = c.req.header("Authorization");
-    if (!authHeader?.startsWith("Bearer ")) {
-      return c.json({ error: "Authorization required" }, 401);
-    }
-
-    const token = authHeader.slice(7);
-    const user = validateSession(token);
-    if (!user) {
-      return c.json({ error: "Invalid or expired session" }, 401);
-    }
-
-    c.set("user", user);
-    return next();
-  };
-}
-
-export function createPasskeyRoutes() {
-  const app = new Hono();
-
-  /**
-   * POST /auth/register
-   * Start registration - generate WebAuthn options
-   */
-  app.post("/register", async (c) => {
-    const body = await c.req.json<{ username: string }>();
-
-    if (!body.username || body.username.length < 3) {
-      return c.json({ error: "Username must be at least 3 characters" }, 400);
-    }
-
-    // Check if username already exists
-    if (getUserByUsername(body.username)) {
-      return c.json({ error: "Username already taken" }, 400);
-    }
-
-    const userId = generateUserId();
-    const userIdBytes = new TextEncoder().encode(userId);
-
-    const options: PublicKeyCredentialCreationOptionsJSON = await generateRegistrationOptions({
-      rpName: RP_NAME,
-      rpID: RP_ID,
-      userID: userIdBytes,
-      userName: body.username,
-      userDisplayName: body.username,
-      attestationType: "none",
-      authenticatorSelection: {
-        residentKey: "preferred",
-        userVerification: "preferred",
-        authenticatorAttachment: "platform",
-      },
-      supportedAlgorithmIDs: [-7, -257], // ES256, RS256
-    });
-
-    // Store pending registration
-    pendingRegistrations.set(userId, {
-      challenge: options.challenge,
-      userId,
-      username: body.username,
-    });
-
-    return c.json({
-      options,
-      userId,
-    });
-  });
-
-  /**
-   * POST /auth/register/verify
-   * Complete registration - verify attestation and create account
-   */
-  app.post("/register/verify", async (c) => {
-    const body = await c.req.json<{
-      userId: string;
-      credential: RegistrationResponseJSON;
-    }>();
-
-    const pending = pendingRegistrations.get(body.userId);
-    if (!pending) {
-      return c.json({ error: "No pending registration" }, 400);
-    }
-
-    let verification: VerifiedRegistrationResponse;
-    try {
-      verification = await verifyRegistrationResponse({
-        response: body.credential,
-        expectedChallenge: pending.challenge,
-        expectedOrigin: RP_ORIGIN,
-        expectedRPID: RP_ID,
-      });
-    } catch (err) {
-      console.error("Registration verification failed:", err);
-      return c.json({ error: "Verification failed" }, 400);
-    }
-
-    if (!verification.verified || !verification.registrationInfo) {
-      return c.json({ error: "Verification failed" }, 400);
-    }
-
-    const { credential } = verification.registrationInfo;
-
-    // Create server-managed wallet
-    const wallet = createServerWallet();
-
-    // Create user record
-    const user: UserRecord = {
-      id: body.userId,
-      username: pending.username,
-      credentials: [
-        {
-          credentialId: body.credential.id, // Use the base64url string from client
-          credentialPublicKey: credential.publicKey,
-          counter: credential.counter,
-          transports: body.credential.response.transports,
-        },
-      ],
-      privateKey: wallet.privateKey,
-      address: wallet.address,
-    };
-
-    users.set(body.userId, user);
-    pendingRegistrations.delete(body.userId);
-
-    // Create session
-    const sessionToken = generateSessionToken();
-    sessions.set(sessionToken, {
-      userId: body.userId,
-      expiresAt: Date.now() + 24 * 60 * 60 * 1000, // 24 hours
-    });
-
-    return c.json({
-      success: true,
-      address: user.address,
-      sessionToken,
-    });
-  });
-
-  /**
-   * POST /auth/login
-   * Start authentication - generate WebAuthn options
-   */
-  app.post("/login", async (c) => {
-    const body = await c.req.json<{ username?: string }>();
-
-    let allowCredentials: { id: string; transports?: AuthenticatorTransportFuture[] }[] | undefined;
-    let userId: string | undefined;
-
-    if (body.username) {
-      const user = getUserByUsername(body.username);
-      if (!user) {
-        return c.json({ error: "User not found" }, 404);
-      }
-      userId = user.id;
-      allowCredentials = user.credentials.map((cred) => ({
-        id: cred.credentialId,
-        transports: cred.transports,
-      }));
-    }
-
-    const options: PublicKeyCredentialRequestOptionsJSON = await generateAuthenticationOptions({
-      rpID: RP_ID,
-      userVerification: "preferred",
-      allowCredentials,
-    });
-
-    // Store pending authentication
-    const authId = generateUserId();
-    pendingAuthentications.set(authId, {
-      challenge: options.challenge,
-      userId: userId ?? "",
-    });
-
-    return c.json({
-      options,
-      authId,
-    });
-  });
-
-  /**
-   * POST /auth/login/verify
-   * Complete authentication - verify assertion
-   */
-  app.post("/login/verify", async (c) => {
-    const body = await c.req.json<{
-      authId: string;
-      credential: AuthenticationResponseJSON;
-    }>();
-
-    const pending = pendingAuthentications.get(body.authId);
-    if (!pending) {
-      return c.json({ error: "No pending authentication" }, 400);
-    }
-
-    // Find user by credential ID (base64url string)
-    const user = getUserByCredentialId(body.credential.id);
-
-    if (!user) {
-      return c.json({ error: "Credential not found" }, 404);
-    }
-
-    const storedCredential = user.credentials.find(
-      (cred) => cred.credentialId === body.credential.id
-    );
-
-    if (!storedCredential) {
-      return c.json({ error: "Credential not found" }, 404);
-    }
-
-    let verification: VerifiedAuthenticationResponse;
-    try {
-      verification = await verifyAuthenticationResponse({
-        response: body.credential,
-        expectedChallenge: pending.challenge,
-        expectedOrigin: RP_ORIGIN,
-        expectedRPID: RP_ID,
-        credential: {
-          id: storedCredential.credentialId,
-          publicKey: storedCredential.credentialPublicKey,
-          counter: storedCredential.counter,
-          transports: storedCredential.transports,
-        },
-      });
-    } catch (err) {
-      console.error("Authentication verification failed:", err);
-      return c.json({ error: "Verification failed" }, 400);
-    }
-
-    if (!verification.verified) {
-      return c.json({ error: "Verification failed" }, 400);
-    }
-
-    // Update counter
-    storedCredential.counter = verification.authenticationInfo.newCounter;
-
-    pendingAuthentications.delete(body.authId);
-
-    // Create session
-    const sessionToken = generateSessionToken();
-    sessions.set(sessionToken, {
-      userId: user.id,
-      expiresAt: Date.now() + 24 * 60 * 60 * 1000, // 24 hours
-    });
-
-    return c.json({
-      success: true,
-      address: user.address,
-      username: user.username,
-      sessionToken,
-    });
-  });
-
-  /**
-   * GET /auth/me
-   * Get current user info (requires auth)
-   */
-  app.get("/me", authMiddleware(), (c) => {
-    const user = (c as any).get("user") as UserRecord;
-    return c.json({
-      username: user.username,
-      address: user.address,
-      credentialCount: user.credentials.length,
-    });
-  });
-
-  /**
-   * POST /auth/logout
-   * Invalidate session
-   */
-  app.post("/logout", (c) => {
-    const authHeader = c.req.header("Authorization");
-    if (authHeader?.startsWith("Bearer ")) {
-      const token = authHeader.slice(7);
-      sessions.delete(token);
-    }
-    return c.json({ success: true });
-  });
-
-  return app;
-}
-
-/**
- * Get user's private key for signing (internal use only)
- */
-export function getUserPrivateKey(user: UserRecord): Hex {
-  return user.privateKey;
-}
diff --git a/examples/x402-demo/server/src/transform.ts b/examples/x402-demo/server/src/transform.ts
deleted file mode 100644
index 222bfdf..0000000
--- a/examples/x402-demo/server/src/transform.ts
+++ /dev/null
@@ -1,105 +0,0 @@
-import { Hono } from "hono";
-import type { Address } from "viem";
-import type { Network } from "@x402/core/types";
-import type { RouteConfig, RoutesConfig } from "@x402/core/http";
-
-// Evolve payment configuration
-export const TREASURY_ADDRESS: Address =
-  (process.env.TREASURY_ADDRESS ??
-    "0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC") as Address;
-export const NETWORK: Network =
-  (process.env.EVOLVE_NETWORK ?? "evolve:1") as Network;
-
-type TransformRequest = {
-  input: string;
-};
-
-type TransformResponse = {
-  output: string;
-  operation: string;
-};
-
-type Variables = {
-  transformInput: string;
-};
-
-export function createTransformRoutes() {
-  const app = new Hono<{ Variables: Variables }>();
-
-  // Validate input middleware
-  app.use("*", async (c, next) => {
-    if (c.req.method !== "POST") {
-      return next();
-    }
-
-    try {
-      const body = await c.req.json<TransformRequest>();
-      if (typeof body.input !== "string") {
-        return c.json({ error: "input must be a string" }, 400);
-      }
-      if (body.input.length > 10000) {
-        return c.json({ error: "input too long (max 10000 chars)" }, 400);
-      }
-      c.set("transformInput", body.input);
-      return next();
-    } catch {
-      return c.json({ error: "invalid JSON body" }, 400);
-    }
-  });
-
-  /**
-   * POST /api/transform/echo
-   * Returns input unchanged - 100 tokens
-   */
-  app.post("/echo", (c) => {
-    const input = c.get("transformInput");
-    return c.json<TransformResponse>({ output: input, operation: "echo" });
-  });
-
-  /**
-   * POST /api/transform/reverse
-   * Reverses input string - 100 tokens
-   */
-  app.post("/reverse", (c) => {
-    const input = c.get("transformInput");
-    return c.json<TransformResponse>({ output: input.split("").reverse().join(""), operation: "reverse" });
-  });
-
-  /**
-   * POST /api/transform/uppercase
-   * Uppercases input string - 100 tokens
-   */
-  app.post("/uppercase", (c) => {
-    const input = c.get("transformInput");
-    return c.json<TransformResponse>({ output: input.toUpperCase(), operation: "uppercase" });
-  });
-
-  /**
-   * POST /api/transform/hash
-   * Returns SHA256 of input - 200 tokens
-   */
-  app.post("/hash", async (c) => {
-    const input = c.get("transformInput");
-    const hashBuffer = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(input));
-    const hashHex = Array.from(new Uint8Array(hashBuffer)).map((b) => b.toString(16).padStart(2, "0")).join("");
-    return c.json<TransformResponse>({ output: `0x${hashHex}`, operation: "hash" });
-  });
-
-  return app;
-}
-
-// Route configurations for X402 middleware (@x402/core format)
-function route(price: string, description: string): RouteConfig {
-  return {
-    accepts: { scheme: "exact", payTo: TREASURY_ADDRESS, price, network: NETWORK },
-    description,
-    mimeType: "application/json",
-  };
-}
-
-export const TRANSFORM_ROUTES: RoutesConfig = {
-  "POST /api/transform/echo": route("100", "Echo - returns input unchanged"),
-  "POST /api/transform/reverse": route("100", "Reverse - reverses input string"),
-  "POST /api/transform/uppercase": route("100", "Uppercase - uppercases input string"),
-  "POST /api/transform/hash": route("200", "Hash - returns SHA256 of input"),
-};
diff --git a/examples/x402-demo/server/src/wallet.ts b/examples/x402-demo/server/src/wallet.ts
deleted file mode 100644
index 990d39e..0000000
--- a/examples/x402-demo/server/src/wallet.ts
+++ /dev/null
@@ -1,202 +0,0 @@
-import { Hono } from "hono";
-import {
-  type Address,
-  type Hash,
-  type Hex,
-  isAddress,
-  formatEther,
-  parseEther,
-  createWalletClient,
-  http,
-} from "viem";
-import { privateKeyToAccount } from "viem/accounts";
-import { type EvolveClient, getBalance, getNonce, evolveTestnet } from "./evolve.js";
-import { authMiddleware, getUserPrivateKey, type UserRecord } from "./passkey.js";
-
-// Faucet configuration
-const FAUCET_PRIVATE_KEY = process.env.FAUCET_PRIVATE_KEY as Hex | undefined;
-const FAUCET_AMOUNT = parseEther(process.env.FAUCET_AMOUNT ?? "1000");
-
-type Variables = {
-  user: UserRecord;
-};
-
-export function createWalletRoutes(client: EvolveClient) {
-  const app = new Hono<{ Variables: Variables }>();
-
-  /**
-   * GET /wallet/balance?address=0x...
-   * Returns balance for a given address (no auth required for demo)
-   */
-  app.get("/balance", async (c) => {
-    const address = c.req.query("address");
-
-    if (!address) {
-      return c.json({ error: "address query parameter required" }, 400);
-    }
-
-    if (!isAddress(address)) {
-      return c.json({ error: "invalid address format" }, 400);
-    }
-
-    try {
-      const balance = await getBalance(client, address as Address);
-      const nonce = await getNonce(client, address as Address);
-
-      return c.json({
-        address,
-        balance: balance.toString(),
-        balanceFormatted: formatEther(balance),
-        nonce,
-      });
-    } catch (err) {
-      console.error("Balance query failed:", err);
-      return c.json({ error: "failed to query balance" }, 500);
-    }
-  });
-
-  /**
-   * GET /wallet/me
-   * Returns balance for authenticated user's address
-   */
-  app.get("/me", authMiddleware(), async (c) => {
-    const user = c.get("user");
-
-    try {
-      const balance = await getBalance(client, user.address);
-      const nonce = await getNonce(client, user.address);
-
-      return c.json({
-        address: user.address,
-        username: user.username,
-        balance: balance.toString(),
-        balanceFormatted: formatEther(balance),
-        nonce,
-      });
-    } catch (err) {
-      console.error("Balance query failed:", err);
-      return c.json({ error: "failed to query balance" }, 500);
-    }
-  });
-
-  /**
-   * POST /wallet/faucet
-   * Mint demo tokens to authenticated user's address
-   */
-  app.post("/faucet", authMiddleware(), async (c) => {
-    const user = c.get("user");
-
-    if (!FAUCET_PRIVATE_KEY) {
-      return c.json({
-        error: "Faucet not configured",
-        message: "Set FAUCET_PRIVATE_KEY environment variable",
-      }, 501);
-    }
-
-    try {
-      const faucetAccount = privateKeyToAccount(FAUCET_PRIVATE_KEY);
-      const walletClient = createWalletClient({
-        account: faucetAccount,
-        chain: evolveTestnet,
-        transport: http(process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545"),
-      });
-
-      const txHash = await walletClient.sendTransaction({
-        to: user.address,
-        value: FAUCET_AMOUNT,
-      });
-
-      // Wait briefly for tx to be included
-      await new Promise((resolve) => setTimeout(resolve, 1000));
-
-      const newBalance = await getBalance(client, user.address);
-
-      return c.json({
-        success: true,
-        txHash,
-        amount: FAUCET_AMOUNT.toString(),
-        amountFormatted: formatEther(FAUCET_AMOUNT),
-        newBalance: newBalance.toString(),
-        newBalanceFormatted: formatEther(newBalance),
-      });
-    } catch (err) {
-      console.error("Faucet transfer failed:", err);
-      return c.json({ error: "Faucet transfer failed" }, 500);
-    }
-  });
-
-  /**
-   * POST /wallet/transfer
-   * Transfer tokens from authenticated user's wallet
-   * Body: { to: string, amount: string }
-   */
-  app.post("/transfer", authMiddleware(), async (c) => {
-    const user = c.get("user");
-    const body = await c.req.json<{ to?: string; amount?: string }>();
-
-    if (!body.to || !isAddress(body.to)) {
-      return c.json({ error: "Valid 'to' address required" }, 400);
-    }
-
-    if (!body.amount) {
-      return c.json({ error: "'amount' required" }, 400);
-    }
-
-    let amountWei: bigint;
-    try {
-      // Accept both wei (raw bigint string) and ether (decimal string)
-      if (body.amount.includes(".")) {
-        amountWei = parseEther(body.amount);
-      } else {
-        amountWei = BigInt(body.amount);
-      }
-    } catch {
-      return c.json({ error: "Invalid amount format" }, 400);
-    }
-
-    if (amountWei <= 0n) {
-      return c.json({ error: "Amount must be positive" }, 400);
-    }
-
-    try {
-      // Check balance
-      const balance = await getBalance(client, user.address);
-      if (balance < amountWei) {
-        return c.json({
-          error: "Insufficient balance",
-          balance: balance.toString(),
-          required: amountWei.toString(),
-        }, 400);
-      }
-
-      // Create wallet client with user's server-managed key
-      const privateKey = getUserPrivateKey(user);
-      const account = privateKeyToAccount(privateKey);
-      const walletClient = createWalletClient({
-        account,
-        chain: evolveTestnet,
-        transport: http(process.env.EVOLVE_RPC_URL ?? "http://127.0.0.1:8545"),
-      });
-
-      // Send transaction
-      const txHash = await walletClient.sendTransaction({
-        to: body.to as Address,
-        value: amountWei,
-      });
-
-      return c.json({
-        success: true,
-        txHash,
-        from: user.address,
-        to: body.to,
-        amount: amountWei.toString(),
-        amountFormatted: formatEther(amountWei),
-      });
-    } catch (err) {
-      console.error("Transfer failed:", err);
-      return c.json({ error: "Transfer failed" }, 500);
-    }
-  });
-
-  return app;
-}
diff --git a/examples/x402-demo/server/src/x402/evolve-facilitator.ts b/examples/x402-demo/server/src/x402/evolve-facilitator.ts
deleted file mode 100644
index f3c6398..0000000
--- a/examples/x402-demo/server/src/x402/evolve-facilitator.ts
+++ /dev/null
@@ -1,105 +0,0 @@
-import type {
-  PaymentPayload,
-  PaymentRequirements,
-  VerifyResponse,
-  SettleResponse,
-  SupportedResponse,
-  Network,
-} from "@x402/core/types";
-import type { FacilitatorClient } from "@x402/core/server";
-import { type EvolveClient, getTransactionReceipt } from "../evolve.js";
-
-const TX_HASH_TTL_MS = 3_600_000; // 1 hour
-
-export class EvolveFacilitatorClient implements FacilitatorClient {
-  private usedTxHashes = new Map<string, number>();
-  private network: Network;
-  private client: EvolveClient;
-
-  constructor(client: EvolveClient, network: Network) {
-    this.client = client;
-    this.network = network;
-  }
-
-  private evictStale(): void {
-    const now = Date.now();
-    for (const [hash, ts] of this.usedTxHashes) {
-      if (now - ts > TX_HASH_TTL_MS) this.usedTxHashes.delete(hash);
-    }
-  }
-
-  async verify(
-    paymentPayload: PaymentPayload,
-    paymentRequirements: PaymentRequirements,
-  ): Promise<VerifyResponse> {
-    this.evictStale();
-
-    const txHash = paymentPayload.payload.txHash as string;
-
-    if (!txHash) {
-      return { isValid: false, invalidReason: "Missing transaction hash" };
-    }
-
-    if (this.usedTxHashes.has(txHash)) {
-      return { isValid: false, invalidReason: "Transaction already used" };
-    }
-
-    try {
-      const receipt = await getTransactionReceipt(
-        this.client,
-        txHash as `0x${string}`,
-      );
-
-      if (!receipt) {
-        return { isValid: false, invalidReason: "Transaction not found" };
-      }
-
-      if (receipt.status !== "success") {
-        return { isValid: false, invalidReason: "Transaction failed" };
-      }
-
-      // Validate recipient matches payment requirements
-      if (paymentRequirements.payTo) {
-        // Receipt-level validation: the receipt.to is checked at the RPC layer.
-        // For token transfers the payTo is validated via the transfer calldata.
-        // Additional on-chain validation can be added here if needed.
-      }
-
-      return { isValid: true, payer: txHash.slice(0, 42) };
-    } catch (err) {
-      console.error("Payment verification failed:", err);
-      return { isValid: false, invalidReason: "Verification failed" };
-    }
-  }
-
-  async settle(
-    paymentPayload: PaymentPayload,
-    _paymentRequirements: PaymentRequirements,
-  ): Promise<SettleResponse> {
-    const txHash = paymentPayload.payload.txHash as string;
-
-    // Mark as used only on settlement (after handler succeeds)
-    this.usedTxHashes.set(txHash, Date.now());
-
-    return {
-      success: true,
-      transaction: txHash,
-      network: this.network,
-      payer: txHash.slice(0, 42),
-    };
-  }
-
-  async getSupported(): Promise<SupportedResponse> {
-    return {
-      kinds: [
-        {
-          x402Version: 2,
-          scheme: "exact",
-          network: this.network,
-        },
-      ],
-      extensions: [],
-      signers: {},
-    };
-  }
-}
diff --git a/examples/x402-demo/server/src/x402/evolve-scheme-server.ts b/examples/x402-demo/server/src/x402/evolve-scheme-server.ts
deleted file mode 100644
index 2df3a0c..0000000
--- a/examples/x402-demo/server/src/x402/evolve-scheme-server.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import type {
-  SchemeNetworkServer,
-  PaymentRequirements,
-  Network,
-  Price,
-  AssetAmount,
-} from "@x402/core/types";
-
-export class EvolveSchemeServer implements SchemeNetworkServer {
-  readonly scheme = "exact";
-
-  async parsePrice(price: Price, _network: Network): Promise<AssetAmount> {
-    // Evolve uses raw token amounts — price is already the amount
-    const amount =
-      typeof price === "object" && "amount" in price
-        ? price.amount
-        : String(price);
-
-    return { amount, asset: "native" };
-  }
-
-  async enhancePaymentRequirements(
-    paymentRequirements: PaymentRequirements,
-    _supportedKind: {
-      x402Version: number;
-      scheme: string;
-      network: Network;
-      extra?: Record<string, unknown>;
-    },
-    _facilitatorExtensions: string[],
-  ): Promise<PaymentRequirements> {
-    // No enhancements needed for Evolve
-    return paymentRequirements;
-  }
-}
diff --git a/examples/x402-demo/server/src/x402/hono-middleware.ts b/examples/x402-demo/server/src/x402/hono-middleware.ts
deleted file mode 100644
index 7753f7b..0000000
--- a/examples/x402-demo/server/src/x402/hono-middleware.ts
+++ /dev/null
@@ -1,84 +0,0 @@
-import type { Hash } from "viem";
-import type { MiddlewareHandler } from "hono";
-import type { x402ResourceServer } from "@x402/core/server";
-import {
-  emitPaymentSubmitted,
-  emitPaymentConfirmed,
-  emitPaymentFailed,
-  emitRequestServed,
-} from "../events.js";
-
-export { paymentMiddleware } from "@x402/hono";
-
-// Maps txHash → agentId so x402 hooks can identify agents from HTTP context.
-const txAgentMap = new Map<string, string>();
-const verifyTimestamps = new Map<string, number>();
-
-const EVICTION_AGE_MS = 300_000; // 5 min
-
-setInterval(() => {
-  const now = Date.now();
-  for (const [hash, ts] of verifyTimestamps) {
-    if (now - ts > EVICTION_AGE_MS) {
-      verifyTimestamps.delete(hash);
-      txAgentMap.delete(hash);
-    }
-  }
-}, 60_000);
-
-/**
- * Pre-middleware: captures X-Agent-ID from the HTTP request and maps it
- * to the txHash in the payment payload so hooks can look it up.
- */
-export function captureAgentId(): MiddlewareHandler {
-  return async (c, next) => {
-    const agentId = c.req.header("X-Agent-ID");
-    const sig = c.req.header("PAYMENT-SIGNATURE");
-    if (agentId && sig) {
-      try {
-        const decoded = JSON.parse(Buffer.from(sig, "base64").toString());
-        if (decoded?.payload?.txHash) {
-          txAgentMap.set(decoded.payload.txHash, agentId);
-        }
-      } catch { /* ignore malformed headers */ }
-    }
-    await next();
-  };
-}
-
-function extractTx(payload: { payload: Record<string, unknown> }) {
-  const txHash = payload.payload.txHash as string;
-  return { txHash, agentId: txAgentMap.get(txHash) ?? txHash.slice(0, 10) };
-}
-
-function extractEndpoint(payload: { resource?: { url?: string } }): string {
-  try { return new URL(payload.resource?.url ?? "").pathname; } catch { return "unknown"; }
-}
-
-export function registerEventHooks(resourceServer: x402ResourceServer): void {
-  resourceServer.onAfterVerify(async ({ paymentPayload, requirements, result }) => {
-    if (!result.isValid) return;
-    const { txHash, agentId } = extractTx(paymentPayload);
-    verifyTimestamps.set(txHash, Date.now());
-    emitPaymentSubmitted(agentId, txHash as Hash, requirements.amount, undefined, requirements.payTo as `0x${string}`);
-  });
-
-  resourceServer.onAfterSettle(async ({ paymentPayload }) => {
-    const { txHash, agentId } = extractTx(paymentPayload);
-    const startTime = verifyTimestamps.get(txHash);
-    const latencyMs = startTime ? Date.now() - startTime : 0;
-    verifyTimestamps.delete(txHash);
-    emitPaymentConfirmed(agentId, txHash as Hash, latencyMs);
-    emitRequestServed(agentId, extractEndpoint(paymentPayload), latencyMs, txHash as Hash);
-  });
-
-  resourceServer.onVerifyFailure(async ({ paymentPayload, error }) => {
-    const { txHash, agentId } = extractTx(paymentPayload);
-    emitPaymentFailed(agentId, txHash as Hash, error?.message ?? "Verification failed");
-  });
-
-  resourceServer.onSettleFailure(async ({ paymentPayload, error }) => {
-    const { txHash, agentId } = extractTx(paymentPayload);
-    emitPaymentFailed(agentId, txHash as Hash, error?.message ?? "Settlement failed");
-  });
-}
diff --git a/examples/x402-demo/server/test/auth.test.ts b/examples/x402-demo/server/test/auth.test.ts
deleted file mode 100644
index aef967e..0000000
--- a/examples/x402-demo/server/test/auth.test.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-import { describe, it, expect } from "bun:test";
-import { Hono } from "hono";
-import { createPasskeyRoutes, authMiddleware } from "../src/passkey.js";
-
-function createTestApp() {
-  const app = new Hono();
-  app.route("/auth", createPasskeyRoutes());
-  app.get("/protected", authMiddleware(), (c) => c.json({ ok: true }));
-  return app;
-}
-
-describe("Authentication", () => {
-  it("generates WebAuthn registration options", async () => {
-    const app = createTestApp();
-
-    const res = await app.request("/auth/register", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ username: "testuser" }),
-    });
-
-    expect(res.status).toBe(200);
-    const body = await res.json();
-    expect(body.options.challenge).toBeTruthy();
-    expect(body.options.rp.id).toBe("localhost");
-    expect(body.userId).toBeTruthy();
-  });
-
-  it("generates WebAuthn login options", async () => {
-    const app = createTestApp();
-
-    const res = await app.request("/auth/login", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({}),
-    });
-
-    expect(res.status).toBe(200);
-    const body = await res.json();
-    expect(body.options.challenge).toBeTruthy();
-    expect(body.authId).toBeTruthy();
-  });
-
-  it("blocks protected routes without valid session", async () => {
-    const app = createTestApp();
-
-    const noAuth = await app.request("/protected");
-    expect(noAuth.status).toBe(401);
-
-    const badAuth = await app.request("/protected", {
-      headers: { Authorization: "Bearer invalid" },
-    });
-    expect(badAuth.status).toBe(401);
-  });
-});
diff --git a/examples/x402-demo/server/test/x402.test.ts b/examples/x402-demo/server/test/x402.test.ts
deleted file mode 100644
index d004f00..0000000
--- a/examples/x402-demo/server/test/x402.test.ts
+++ /dev/null
@@ -1,137 +0,0 @@
-import { describe, it, expect } from "bun:test";
-import { Hono } from "hono";
-import type { EvolveClient } from "../src/evolve.js";
-import type { Address } from "viem";
-import type { Network } from "@x402/core/types";
-import type { RoutesConfig } from "@x402/core/http";
-import { x402ResourceServer } from "@x402/core/server";
-import { EvolveFacilitatorClient } from "../src/x402/evolve-facilitator.js";
-import { EvolveSchemeServer } from "../src/x402/evolve-scheme-server.js";
-import { paymentMiddleware } from "../src/x402/hono-middleware.js";
-
-const TEST_NETWORK: Network = "evolve:1337";
-const TEST_PAY_TO: Address = "0x0000000000000000000000000000000000000001";
-
-const TEST_ROUTES: RoutesConfig = {
-  "POST /api/paid": {
-    accepts: {
-      scheme: "exact",
-      payTo: TEST_PAY_TO,
-      price: "100",
-      network: TEST_NETWORK,
-    },
-    description: "Test",
-    mimeType: "application/json",
-  },
-};
-
-function createMockClient(receiptStatus: "success" | "reverted" | null): EvolveClient {
-  return {
-    public: {
-      getTransactionReceipt: async () =>
-        receiptStatus === null ? null : { status: receiptStatus },
-    },
-  } as unknown as EvolveClient;
-}
-
-function createTestApp(client: EvolveClient) {
-  const app = new Hono();
-  const facilitator = new EvolveFacilitatorClient(client, TEST_NETWORK);
-  const resourceServer = new x402ResourceServer(facilitator);
-  resourceServer.register(TEST_NETWORK, new EvolveSchemeServer());
-  app.use("/api/*", paymentMiddleware(TEST_ROUTES, resourceServer));
-  app.post("/api/paid", (c) => c.json({ ok: true }));
-  app.get("/api/free", (c) => c.json({ ok: true }));
-  return app;
-}
-
-function encodePayment(
-  txHash: string,
-  resource = { url: "http://localhost/api/paid", description: "Test", mimeType: "application/json" },
-  accepted = {
-    scheme: "exact",
-    network: TEST_NETWORK,
-    asset: "native",
-    amount: "100",
-    payTo: TEST_PAY_TO,
-    maxTimeoutSeconds: 300,
-    extra: {},
-  },
-) {
-  return Buffer.from(
-    JSON.stringify({
-      x402Version: 2,
-      resource,
-      accepted,
-      payload: { txHash },
-    })
-  ).toString("base64");
-}
-
-describe("X402 Payment Flow", () => {
-  it("returns 402 with payment requirements for protected route", async () => {
-    const app = createTestApp(createMockClient("success"));
-    const res = await app.request("/api/paid", { method: "POST" });
-
-    expect(res.status).toBe(402);
-    const paymentHeader = res.headers.get("PAYMENT-REQUIRED");
-    expect(paymentHeader).toBeTruthy();
-
-    // Verify the payment requirement header is valid base64 JSON with required fields
-    const decoded = JSON.parse(Buffer.from(paymentHeader!, "base64").toString());
-    expect(decoded.accepts).toBeDefined();
-    expect(decoded.accepts.length).toBeGreaterThan(0);
-    expect(decoded.accepts[0].payTo).toBeDefined();
-    expect(decoded.accepts[0].network).toBe(TEST_NETWORK);
-  });
-
-  it("allows access with valid payment proof", async () => {
-    const app = createTestApp(createMockClient("success"));
-    const txHash = "0x" + "a".repeat(64);
-
-    const res = await app.request("/api/paid", {
-      method: "POST",
-      headers: { "PAYMENT-SIGNATURE": encodePayment(txHash) },
-    });
-
-    expect(res.status).toBe(200);
-    expect(res.headers.get("PAYMENT-RESPONSE")).toBeTruthy();
-    const body = await res.json();
-    expect(body).toEqual({ ok: true });
-  });
-
-  it("rejects when transaction not found", async () => {
-    const app = createTestApp(createMockClient(null));
-
-    const res = await app.request("/api/paid", {
-      method: "POST",
-      headers: { "PAYMENT-SIGNATURE": encodePayment("0x" + "b".repeat(64)) },
-    });
-
-    expect(res.status).toBe(402);
-    const paymentHeader = res.headers.get("PAYMENT-REQUIRED");
-    expect(paymentHeader).toBeTruthy();
-  });
-
-  it("rejects reused transaction (replay protection)", async () => {
-    const app = createTestApp(createMockClient("success"));
-    const txHash = "0x" + "c".repeat(64);
-    const headers = { "PAYMENT-SIGNATURE": encodePayment(txHash) };
-
-    const first = await app.request("/api/paid", { method: "POST", headers });
-    expect(first.status).toBe(200);
-
-    const res = await app.request("/api/paid", { method: "POST", headers });
-    expect(res.status).toBe(402);
-    const paymentHeader = res.headers.get("PAYMENT-REQUIRED");
-    expect(paymentHeader).toBeTruthy();
-  });
-
-  it("passes through unprotected routes", async () => {
-    const app = createTestApp(createMockClient("success"));
-    const res = await app.request("/api/free");
-    expect(res.status).toBe(200);
-    const body = await res.json();
-    expect(body).toEqual({ ok: true });
-  });
-});
diff --git a/examples/x402-demo/server/tsconfig.json b/examples/x402-demo/server/tsconfig.json
deleted file mode 100644
index d9f5c85..0000000
--- a/examples/x402-demo/server/tsconfig.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2022",
-    "module": "ESNext",
-    "moduleResolution": "bundler",
-    "strict": true,
-    "skipLibCheck": true,
-    "noEmit": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "types": ["bun-types"]
-  },
-  "include": ["src/**/*"]
-}
diff --git a/examples/x402-demo/simulator/bun.lock b/examples/x402-demo/simulator/bun.lock
deleted file mode 100644
index 88a52a1..0000000
--- a/examples/x402-demo/simulator/bun.lock
+++ /dev/null
@@ -1,56 +0,0 @@
-{
-  "lockfileVersion": 1,
-  "configVersion": 1,
-  "workspaces": {
-    "": {
-      "name": "x402-simulator",
-      "dependencies": {
-        "commander": "^12.0.0",
-        "viem": "^2.21.0",
-      },
-      "devDependencies": {
-        "@types/bun": "latest",
-        "typescript": "^5.6.0",
-      },
-    },
-  },
-  "packages": {
-    "@adraffy/ens-normalize": ["@adraffy/ens-normalize@1.11.1", "", {}, "sha512-nhCBV3quEgesuf7c7KYfperqSS14T8bYuvJ8PcLJp6znkZpFc0AuW4qBtr8eKVyPPe/8RSr7sglCWPU5eaxwKQ=="],
-
-    "@noble/ciphers": ["@noble/ciphers@1.3.0", "", {}, "sha512-2I0gnIVPtfnMw9ee9h1dJG7tp81+8Ob3OJb3Mv37rx5L40/b0i7djjCVvGOVqc9AEIQyvyu1i6ypKdFw8R8gQw=="],
-
-    "@noble/curves": ["@noble/curves@1.9.1", "", { "dependencies": { "@noble/hashes": "1.8.0" } }, "sha512-k11yZxZg+t+gWvBbIswW0yoJlu8cHOC7dhunwOzoWH/mXGBiYyR4YY6hAEK/3EUs4UpB8la1RfdRpeGsFHkWsA=="],
-
-    "@noble/hashes": ["@noble/hashes@1.8.0", "", {}, "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A=="],
-
-    "@scure/base": ["@scure/base@1.2.6", "", {}, "sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg=="],
-
-    "@scure/bip32": ["@scure/bip32@1.7.0", "", { "dependencies": { "@noble/curves": "~1.9.0", "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-E4FFX/N3f4B80AKWp5dP6ow+flD1LQZo/w8UnLGYZO674jS6YnYeepycOOksv+vLPSpgN35wgKgy+ybfTb2SMw=="],
-
-    "@scure/bip39": ["@scure/bip39@1.6.0", "", { "dependencies": { "@noble/hashes": "~1.8.0", "@scure/base": "~1.2.5" } }, "sha512-+lF0BbLiJNwVlev4eKelw1WWLaiKXw7sSl8T6FvBlWkdX+94aGJ4o8XjUdlyhTCjd8c+B3KT3JfS8P0bLRNU6A=="],
-
-    "@types/bun": ["@types/bun@1.3.7", "", { "dependencies": { "bun-types": "1.3.7" } }, "sha512-lmNuMda+Z9b7tmhA0tohwy8ZWFSnmQm1UDWXtH5r9F7wZCfkeO3Jx7wKQ1EOiKq43yHts7ky6r8SDJQWRNupkA=="],
-
-    "@types/node": ["@types/node@25.1.0", "", { "dependencies": { "undici-types": "~7.16.0" } }, "sha512-t7frlewr6+cbx+9Ohpl0NOTKXZNV9xHRmNOvql47BFJKcEG1CxtxlPEEe+gR9uhVWM4DwhnvTF110mIL4yP9RA=="],
-
-    "abitype": ["abitype@1.2.3", "", { "peerDependencies": { "typescript": ">=5.0.4", "zod": "^3.22.0 || ^4.0.0" }, "optionalPeers": ["typescript", "zod"] }, "sha512-Ofer5QUnuUdTFsBRwARMoWKOH1ND5ehwYhJ3OJ/BQO+StkwQjHw0XyVh4vDttzHB7QOFhPHa/o413PJ82gU/Tg=="],
-
-    "bun-types": ["bun-types@1.3.7", "", { "dependencies": { "@types/node": "*" } }, "sha512-qyschsA03Qz+gou+apt6HNl6HnI+sJJLL4wLDke4iugsE6584CMupOtTY1n+2YC9nGVrEKUlTs99jjRLKgWnjQ=="],
-
-    "commander": ["commander@12.1.0", "", {}, "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA=="],
-
-    "eventemitter3": ["eventemitter3@5.0.1", "", {}, "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA=="],
-
-    "isows": ["isows@1.0.7", "", { "peerDependencies": { "ws": "*" } }, "sha512-I1fSfDCZL5P0v33sVqeTDSpcstAg/N+wF5HS033mogOVIp4B+oHC7oOCsA3axAbBSGTJ8QubbNmnIRN/h8U7hg=="],
-
-    "ox": ["ox@0.11.3", "", { "dependencies": { "@adraffy/ens-normalize": "^1.11.0", "@noble/ciphers": "^1.3.0", "@noble/curves": "1.9.1", "@noble/hashes": "^1.8.0", "@scure/bip32": "^1.7.0", "@scure/bip39": "^1.6.0", "abitype": "^1.2.3", "eventemitter3": "5.0.1" }, "peerDependencies": { "typescript": ">=5.4.0" }, "optionalPeers": ["typescript"] }, "sha512-1bWYGk/xZel3xro3l8WGg6eq4YEKlaqvyMtVhfMFpbJzK2F6rj4EDRtqDCWVEJMkzcmEi9uW2QxsqELokOlarw=="],
-
-    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
-
-    "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],
-
-    "viem": ["viem@2.45.0", "", { "dependencies": { "@noble/curves": "1.9.1", "@noble/hashes": "1.8.0", "@scure/bip32": "1.7.0", "@scure/bip39": "1.6.0", "abitype": "1.2.3", "isows": "1.0.7", "ox": "0.11.3", "ws": "8.18.3" }, "peerDependencies": { "typescript": ">=5.0.4" }, "optionalPeers": ["typescript"] }, "sha512-iVA9qrAgRdtpWa80lCZ6Jri6XzmLOwwA1wagX2HnKejKeliFLpON0KOdyfqvcy+gUpBVP59LBxP2aKiL3aj8fg=="],
-
-    "ws": ["ws@8.18.3", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg=="],
-  }
-}
diff --git a/examples/x402-demo/simulator/package.json b/examples/x402-demo/simulator/package.json
deleted file mode 100644
index c6760c7..0000000
--- a/examples/x402-demo/simulator/package.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "name": "x402-simulator",
-  "version": "0.1.0",
-  "type": "module",
-  "scripts": {
-    "start": "bun run src/index.ts",
-    "dev": "bun run --watch src/index.ts",
-    "typecheck": "tsc --noEmit"
-  },
-  "dependencies": {
-    "viem": "^2.21.0",
-    "commander": "^12.0.0"
-  },
-  "devDependencies": {
-    "@types/bun": "latest",
-    "typescript": "^5.6.0"
-  }
-}
diff --git a/examples/x402-demo/simulator/src/agent.ts b/examples/x402-demo/simulator/src/agent.ts
deleted file mode 100644
index 9ad033b..0000000
--- a/examples/x402-demo/simulator/src/agent.ts
+++ /dev/null
@@ -1,331 +0,0 @@
-import {
-  type Address,
-  type Chain,
-  type Hash,
-  type Hex,
-  type HttpTransport,
-  type PublicClient,
-  type WalletClient,
-  createWalletClient,
-  createPublicClient,
-  keccak256,
-  http,
-  defineChain,
-} from "viem";
-import { privateKeyToAccount, type PrivateKeyAccount } from "viem/accounts";
-import type {
-  AgentConfig,
-  PaymentPayload,
-  PaymentRequired,
-  RequestResult,
-  WeightedEndpoint,
-} from "./types.js";
-import {
-  accountIdToAddress,
-  addressToAccountId,
-  buildTransferData,
-} from "./evolve-utils.js";
-
-const MAX_INFLIGHT = 5;
-
-export class Agent {
-  private config: AgentConfig;
-  private serverUrl: string;
-  private rpcUrl: string;
-  private account: PrivateKeyAccount;
-  private chain: Chain;
-  private walletClient: WalletClient<HttpTransport, Chain, PrivateKeyAccount>;
-  private publicClient: PublicClient<HttpTransport, Chain>;
-  private nextNonce: number | null = null;
-  private running: boolean = false;
-  private activeWorkers: Promise<void>[] = [];
-  private onResult: ((result: RequestResult) => void) | null = null;
-
-  constructor(
-    config: AgentConfig,
-    serverUrl: string,
-    rpcUrl: string
-  ) {
-    this.config = config;
-    this.serverUrl = serverUrl;
-    this.rpcUrl = rpcUrl;
-    this.account = privateKeyToAccount(this.config.privateKey);
-    this.chain = defineChain({
-      id: this.config.chainId,
-      name: "Evolve Testnet",
-      nativeCurrency: { decimals: 18, name: "Evolve", symbol: "EVO" },
-      rpcUrls: { default: { http: [this.rpcUrl] } },
-    });
-    this.walletClient = createWalletClient({
-      account: this.account,
-      chain: this.chain,
-      transport: http(this.rpcUrl),
-    });
-    this.publicClient = createPublicClient({
-      chain: this.chain,
-      transport: http(this.rpcUrl, { timeout: 60_000 }),
-      pollingInterval: 100,
-    });
-  }
-
-  get id(): string {
-    return this.config.id;
-  }
-
-  get address(): Address {
-    return this.config.address;
-  }
-
-  setResultHandler(handler: (result: RequestResult) => void): void {
-    this.onResult = handler;
-  }
-
-  async start(): Promise<void> {
-    if (this.running) return;
-    this.running = true;
-    for (let i = 0; i < MAX_INFLIGHT; i++) {
-      this.activeWorkers.push(this.runRequestLoop());
-    }
-  }
-
-  async stop(): Promise<void> {
-    this.running = false;
-    await Promise.all(this.activeWorkers);
-    this.activeWorkers = [];
-  }
-
-  private async runRequestLoop(): Promise<void> {
-    while (this.running) {
-      const delayMs = (MAX_INFLIGHT * 1000) / this.config.requestsPerSecond;
-      const jitter = Math.random() * delayMs * 0.2;
-      await new Promise((resolve) => setTimeout(resolve, delayMs + jitter));
-
-      if (!this.running) break;
-
-      try {
-        const result = await this.makeRequest();
-        this.onResult?.(result);
-      } catch (err) {
-        console.error(`Agent ${this.config.id} request error:`, err);
-      }
-    }
-  }
-
-  private selectEndpoint(): WeightedEndpoint {
-    const endpoints = this.config.endpoints;
-    const totalWeight = endpoints.reduce((sum, e) => sum + e.weight, 0);
-    let random = Math.random() * totalWeight;
-
-    for (const endpoint of endpoints) {
-      random -= endpoint.weight;
-      if (random <= 0) {
-        return endpoint;
-      }
-    }
-    return endpoints[endpoints.length - 1];
-  }
-
-  private async makeRequest(): Promise<RequestResult> {
-    const startTime = Date.now();
-    const endpoint = this.selectEndpoint();
-    const url = `${this.serverUrl}${endpoint.path}`;
-
-    try {
-      // Step 1: Make initial request (expect 402)
-      const initialResponse = await fetch(url, {
-        method: endpoint.method,
-        headers: {
-          "Content-Type": "application/json",
-          "X-Agent-ID": this.config.id,
-        },
-        body: JSON.stringify(endpoint.payload()),
-      });
-
-      if (initialResponse.status !== 402) {
-        if (initialResponse.ok) {
-          return {
-            success: true,
-            agentId: this.config.id,
-            endpoint: `${endpoint.method} ${endpoint.path}`,
-            latencyMs: Date.now() - startTime,
-            timestamp: Date.now(),
-          };
-        }
-        return {
-          success: false,
-          agentId: this.config.id,
-          endpoint: `${endpoint.method} ${endpoint.path}`,
-          latencyMs: Date.now() - startTime,
-          error: `Unexpected status: ${initialResponse.status}`,
-          timestamp: Date.now(),
-        };
-      }
-
-      // Step 2: Parse payment requirement
-      const paymentHeader = initialResponse.headers.get("PAYMENT-REQUIRED");
-      if (!paymentHeader) {
-        return {
-          success: false,
-          agentId: this.config.id,
-          endpoint: `${endpoint.method} ${endpoint.path}`,
-          latencyMs: Date.now() - startTime,
-          error: "402 without PAYMENT-REQUIRED header",
-          timestamp: Date.now(),
-        };
-      }
-
-      const paymentRequired = JSON.parse(
-        Buffer.from(paymentHeader, "base64").toString("utf-8")
-      ) as PaymentRequired;
-
-      const amount = BigInt(paymentRequired.accepts[0].amount);
-      const payTo = paymentRequired.accepts[0].payTo as Address;
-
-      // Step 3: Submit payment via token transfer
-      const paymentStartTime = Date.now();
-      const txHash = await this.submitPayment(payTo, amount);
-      const paymentLatencyMs = Date.now() - paymentStartTime;
-
-      // Step 4: Retry with payment proof (v2 format with resource + accepted)
-      const paymentPayload: PaymentPayload = {
-        x402Version: 2,
-        resource: paymentRequired.resource,
-        accepted: paymentRequired.accepts[0],
-        payload: { txHash },
-      };
-
-      const paymentSignature = Buffer.from(
-        JSON.stringify(paymentPayload)
-      ).toString("base64");
-
-      const finalResponse = await fetch(url, {
-        method: endpoint.method,
-        headers: {
-          "Content-Type": "application/json",
-          "PAYMENT-SIGNATURE": paymentSignature,
-          "X-Agent-ID": this.config.id,
-        },
-        body: JSON.stringify(endpoint.payload()),
-      });
-
-      const totalLatencyMs = Date.now() - startTime;
-
-      if (!finalResponse.ok) {
-        const errorBody = await finalResponse.text();
-        return {
-          success: false,
-          agentId: this.config.id,
-          endpoint: `${endpoint.method} ${endpoint.path}`,
-          txHash,
-          latencyMs: totalLatencyMs,
-          paymentLatencyMs,
-          error: `Payment retry failed: ${finalResponse.status} - ${errorBody}`,
-          timestamp: Date.now(),
-        };
-      }
-
-      return {
-        success: true,
-        agentId: this.config.id,
-        endpoint: `${endpoint.method} ${endpoint.path}`,
-        txHash,
-        latencyMs: totalLatencyMs,
-        paymentLatencyMs,
-        timestamp: Date.now(),
-      };
-    } catch (err) {
-      return {
-        success: false,
-        agentId: this.config.id,
-        endpoint: `${endpoint.method} ${endpoint.path}`,
-        latencyMs: Date.now() - startTime,
-        error: err instanceof Error ? err.message : String(err),
-        timestamp: Date.now(),
-      };
-    }
-  }
-
-  private async submitPayment(to: Address, amount: bigint): Promise<Hash> {
-    // Pay via token transfer calldata.
-    // We manage nonce locally because the RPC nonce endpoints can lag under load.
-    if (this.nextNonce === null) {
-      this.nextNonce = await this.publicClient.getTransactionCount({
-        address: this.account.address,
-        blockTag: "pending",
-      });
-    }
-
-    const payToAccountId = addressToAccountId(to);
-    const data = buildTransferData(payToAccountId, amount);
-    const tokenAddress = accountIdToAddress(this.config.tokenAccountId);
-
-    // Claim nonce synchronously before any await to prevent races between concurrent workers
-    const nonce = this.nextNonce;
-    this.nextNonce = nonce + 1;
-
-    let hash: Hash;
-    try {
-      hash = await this.walletClient.sendTransaction({
-        nonce,
-        to: tokenAddress,
-        data,
-        value: 0n,
-        gas: 100_000n,
-      });
-    } catch (err) {
-      const msg = err instanceof Error ? err.message : String(err);
-
-      if (/transaction already in mempool|already known/i.test(msg)) {
-        const rawTxMatch = msg.match(/"params":\["(0x[0-9a-fA-F]+)"\]/);
-        if (rawTxMatch?.[1]) {
-          hash = keccak256(rawTxMatch[1] as `0x${string}`);
-          await this.publicClient.waitForTransactionReceipt({ hash, timeout: 60_000 });
-          return hash;
-        }
-      }
-
-      if (/nonce too high/i.test(msg)) {
-        this.nextNonce = await this.publicClient.getTransactionCount({
-          address: this.account.address,
-          blockTag: "pending",
-        });
-      } else if (!/nonce/i.test(msg) && !/already in mempool/i.test(msg)) {
-        // Non-nonce error: the tx was not sent, rollback the nonce
-        this.nextNonce = nonce;
-      }
-
-      throw err;
-    }
-
-    try {
-      await this.publicClient.waitForTransactionReceipt({ hash, timeout: 60_000 });
-      return hash;
-    } catch (err) {
-      throw err;
-    }
-  }
-
-  async getBalance(): Promise<bigint> {
-    return this.publicClient.getBalance({ address: this.config.address });
-  }
-}
-
-export function createAgentConfig(
-  id: string,
-  privateKey: Hex,
-  requestsPerSecond: number,
-  endpoints: WeightedEndpoint[],
-  tokenAccountId: bigint,
-  chainId: number,
-): AgentConfig {
-  const account = privateKeyToAccount(privateKey);
-  return {
-    id,
-    privateKey,
-    address: account.address,
-    requestsPerSecond,
-    endpoints,
-    tokenAccountId,
-    chainId,
-  };
-}
diff --git a/examples/x402-demo/simulator/src/config.ts b/examples/x402-demo/simulator/src/config.ts
deleted file mode 100644
index 2fc7c48..0000000
--- a/examples/x402-demo/simulator/src/config.ts
+++ /dev/null
@@ -1,96 +0,0 @@
-import type { Hex } from "viem";
-import type { PoolConfig, WeightedEndpoint } from "./types.js";
-
-// Default endpoints for the transform API
-export const DEFAULT_ENDPOINTS: WeightedEndpoint[] = [
-  {
-    method: "POST",
-    path: "/api/transform/reverse",
-    weight: 40,
-    payload: () => ({ input: `hello-${Date.now()}` }),
-  },
-  {
-    method: "POST",
-    path: "/api/transform/uppercase",
-    weight: 30,
-    payload: () => ({ input: `hello-${Date.now()}` }),
-  },
-  {
-    method: "POST",
-    path: "/api/transform/hash",
-    weight: 20,
-    payload: () => ({ input: `hello-${Date.now()}` }),
-  },
-  {
-    method: "POST",
-    path: "/api/transform/echo",
-    weight: 10,
-    payload: () => ({ input: `hello-${Date.now()}` }),
-  },
-];
-
-export interface CLIOptions {
-  agents: number;
-  rps: number;
-  server: string;
-  evolveRpc: string;
-  funding: string;
-  faucetKey?: string;
-  duration?: number;
-}
-
-export function createPoolConfig(options: CLIOptions): PoolConfig {
-  const faucetKey = options.faucetKey ?? process.env.FAUCET_PRIVATE_KEY;
-  if (!faucetKey) {
-    throw new Error(
-      "Faucet private key required. Set FAUCET_PRIVATE_KEY env var or use --faucet-key"
-    );
-  }
-
-  return {
-    agentCount: options.agents,
-    fundingAmount: BigInt(options.funding),
-    serverUrl: options.server,
-    evolveRpcUrl: options.evolveRpc,
-    requestsPerSecond: options.rps,
-    faucetPrivateKey: faucetKey as Hex,
-    endpoints: DEFAULT_ENDPOINTS,
-  };
-}
-
-// Validate configuration
-export function validateConfig(config: PoolConfig): string[] {
-  const errors: string[] = [];
-
-  if (config.agentCount < 1) {
-    errors.push("Agent count must be at least 1");
-  }
-  if (config.agentCount > 5000) {
-    errors.push("Agent count exceeds maximum (5000)");
-  }
-  if (config.requestsPerSecond < 1) {
-    errors.push("Requests per second must be at least 1");
-  }
-  if (config.requestsPerSecond > 10000) {
-    errors.push("Requests per second exceeds maximum (10000)");
-  }
-  if (config.fundingAmount <= 0n) {
-    errors.push("Funding amount must be positive");
-  }
-  if (!config.serverUrl.startsWith("http")) {
-    errors.push("Server URL must be a valid HTTP URL");
-  }
-  if (!config.evolveRpcUrl.startsWith("http")) {
-    errors.push("Evolve RPC URL must be a valid HTTP URL");
-  }
-  if (!config.faucetPrivateKey.startsWith("0x")) {
-    errors.push("Faucet private key must be a hex string starting with 0x");
-  }
-
-  const totalWeight = config.endpoints.reduce((sum, e) => sum + e.weight, 0);
-  if (totalWeight <= 0) {
-    errors.push("Endpoint weights must sum to a positive number");
-  }
-
-  return errors;
-}
diff --git a/examples/x402-demo/simulator/src/evolve-utils.ts b/examples/x402-demo/simulator/src/evolve-utils.ts
deleted file mode 100644
index 1178fb3..0000000
--- a/examples/x402-demo/simulator/src/evolve-utils.ts
+++ /dev/null
@@ -1,74 +0,0 @@
-import { bytesToHex, keccak256, toBytes } from "viem";
-import type { Hex } from "viem";
-import { generatePrivateKey } from "viem/accounts";
-
-// Token account candidates (the token gets one of these IDs during genesis)
-export const TOKEN_ACCOUNT_CANDIDATES = [65535n, 65537n];
-
-// Hardhat accounts #3-#19 private keys (17 agent wallets)
-export const HARDHAT_AGENT_KEYS: Hex[] = [
-  "0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6", // #3
-  "0x47e179ec197488593b187f80a00eb0da91f1b9d0b13f8733639f19c30a34926a", // #4
-  "0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba", // #5
-  "0x92db14e403b83dfe3df233f83dfa3ecda7b66277101571b642875e5aba2be7b8", // #6
-  "0x4bbbf85ce3377467afe5d46f804f221813b2bb87f24d81f60f1fcdbf7cbf4356", // #7
-  "0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97", // #8
-  "0x2a871d0798f97d79848a013d4936a73bf4cc922c825d33c1cf7073dff6d409c6", // #9
-  "0xf214f2b2cd398c806f84e317254e0f0b801d0643303237d97a22a48e01628897", // #10
-  "0x701b615bbdfb9de65240bc28bd21bbc0d996645a3dd57e7b12bc2bdf6f192c82", // #11
-  "0xa267530f49f8280200edf313ee7af6b827f2a8bce2897751d06a843f644967b1", // #12
-  "0x47c99abed3324a2707c28affff1267e45918ec8c3f20b8aa892e8b065d2942dd", // #13
-  "0xc526ee95bf44d8fc405a158bb884d9d1238d99f0612e9f33d006bb0789009aaa", // #14
-  "0x8166f546bab6da521a8369cab06c5d2b9e46670292d85c875ee9ec20e84ffb61", // #15
-  "0xea6c44ac03bff858b476bba40716402b03e41b8e97e276d1baec7c37d42484a0", // #16
-  "0x689af8efa8c651a91ad287602527f3af2fe9f6501a7ac4b061667b5a93e037fd", // #17
-  "0xde9be858da4a475276426320d5e9262ecfc3ba460bfac56360bfa6c4c28b4ee0", // #18
-  "0xdf57089febbacf7ba0bc227dafbffa9fc08a93fdc68e1e42411a14efcf23656e", // #19
-];
-
-export function getAgentPrivateKeys(agentCount: number): Hex[] {
-  const keys = [...HARDHAT_AGENT_KEYS];
-  while (keys.length < agentCount) {
-    keys.push(generatePrivateKey());
-  }
-  return keys.slice(0, agentCount);
-}
-
-export function u128ToLeBytes(value: bigint): Uint8Array {
-  const bytes = new Uint8Array(16);
-  let v = value;
-  for (let i = 0; i < 16; i += 1) {
-    bytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  return bytes;
-}
-
-export function accountIdToAddress(id: bigint): `0x${string}` {
-  const idBytes = new Uint8Array(16);
-  let v = id;
-  for (let i = 15; i >= 0; i -= 1) {
-    idBytes[i] = Number(v & 0xffn);
-    v >>= 8n;
-  }
-  const addrBytes = new Uint8Array(20);
-  addrBytes.set(idBytes, 4);
-  return bytesToHex(addrBytes) as `0x${string}`;
-}
-
-export function buildTransferData(toAccountId: bigint, amount: bigint): `0x${string}` {
-  const selector = keccak256(toBytes("transfer")).slice(0, 10);
-  const args = new Uint8Array(32);
-  args.set(u128ToLeBytes(toAccountId), 0);
-  args.set(u128ToLeBytes(amount), 16);
-  const data = new Uint8Array(4 + args.length);
-  data.set(Buffer.from(selector.slice(2), "hex"), 0);
-  data.set(args, 4);
-  return bytesToHex(data) as `0x${string}`;
-}
-
-export function addressToAccountId(address: `0x${string}`): bigint {
-  const hex = address.slice(2);
-  const idHex = hex.slice(8);
-  return BigInt(`0x${idHex}`);
-}
diff --git a/examples/x402-demo/simulator/src/index.ts b/examples/x402-demo/simulator/src/index.ts
deleted file mode 100644
index 8574ee3..0000000
--- a/examples/x402-demo/simulator/src/index.ts
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/usr/bin/env bun
-import { program } from "commander";
-import { AgentPool } from "./pool.js";
-import { createPoolConfig, validateConfig } from "./config.js";
-
-program
-  .name("x402-simulator")
-  .description("X402 payment protocol agent simulator")
-  .version("0.1.0")
-  .option("-a, --agents <number>", "Number of agents to spawn", "10")
-  .option("-r, --rps <number>", "Target requests per second", "10")
-  .option("-s, --server <url>", "X402 server URL", "http://localhost:3000")
-  .option("-e, --evolve-rpc <url>", "Evolve RPC URL", "http://localhost:8545")
-  .option(
-    "-f, --funding <amount>",
-    "Funding amount per agent (token units, 6 decimals)",
-    "1000000"
-  )
-  .option("-k, --faucet-key <key>", "Faucet private key (or set FAUCET_PRIVATE_KEY)")
-  .option("-d, --duration <seconds>", "Run duration in seconds (0 = infinite)", "0")
-  .parse();
-
-const opts = program.opts();
-
-async function main() {
-  console.log("=== X402 Agent Simulator ===\n");
-
-  // Create config from CLI options
-  const config = createPoolConfig({
-    agents: parseInt(opts.agents, 10),
-    rps: parseInt(opts.rps, 10),
-    server: opts.server,
-    evolveRpc: opts.evolveRpc,
-    funding: opts.funding,
-    faucetKey: opts.faucetKey,
-    duration: opts.duration ? parseInt(opts.duration, 10) : undefined,
-  });
-
-  // Validate
-  const errors = validateConfig(config);
-  if (errors.length > 0) {
-    console.error("Configuration errors:");
-    errors.forEach((e) => console.error(`  - ${e}`));
-    process.exit(1);
-  }
-
-  console.log("Configuration:");
-  console.log(`  Agents: ${config.agentCount}`);
-  console.log(`  Target RPS: ${config.requestsPerSecond}`);
-  console.log(`  Server: ${config.serverUrl}`);
-  console.log(`  Evolve RPC: ${config.evolveRpcUrl}`);
-  console.log(`  Funding per agent: ${config.fundingAmount} tokens (6 decimals)`);
-  console.log("");
-
-  // Create and initialize pool
-  const pool = new AgentPool(config);
-
-  // Handle graceful shutdown
-  let shuttingDown = false;
-  const shutdown = async () => {
-    if (shuttingDown) return;
-    shuttingDown = true;
-    console.log("\nShutting down...");
-    await pool.stop();
-    process.exit(0);
-  };
-
-  process.on("SIGINT", shutdown);
-  process.on("SIGTERM", shutdown);
-
-  try {
-    await pool.initialize();
-    await pool.start();
-
-    // Run for duration if specified
-    const duration = parseInt(opts.duration, 10);
-    if (duration > 0) {
-      console.log(`Running for ${duration} seconds...`);
-      await new Promise((resolve) => setTimeout(resolve, duration * 1000));
-      await shutdown();
-    } else {
-      console.log("Running until interrupted (Ctrl+C to stop)...");
-    }
-  } catch (err) {
-    console.error("Fatal error:", err);
-    process.exit(1);
-  }
-}
-
-main();
diff --git a/examples/x402-demo/simulator/src/metrics.ts b/examples/x402-demo/simulator/src/metrics.ts
deleted file mode 100644
index 780ffa9..0000000
--- a/examples/x402-demo/simulator/src/metrics.ts
+++ /dev/null
@@ -1,142 +0,0 @@
-import type { Address } from "viem";
-import type { AgentMetrics, PoolMetrics, RequestResult } from "./types.js";
-
-// Sliding window for TPS calculation
-const TPS_WINDOW_MS = 1000;
-
-export class MetricsCollector {
-  private agentMetrics: Map<string, AgentMetrics> = new Map();
-  private latencies: number[] = [];
-  private recentRequests: number[] = []; // timestamps for TPS calculation
-  private startTime: number = 0;
-
-  start(): void {
-    this.startTime = Date.now();
-    this.latencies = [];
-    this.recentRequests = [];
-  }
-
-  registerAgent(agentId: string, address: Address): void {
-    this.agentMetrics.set(agentId, {
-      agentId,
-      address,
-      totalRequests: 0,
-      successfulRequests: 0,
-      failedRequests: 0,
-      totalLatencyMs: 0,
-      totalPaymentLatencyMs: 0,
-      balance: 0n,
-      lastRequestTime: 0,
-    });
-  }
-
-  recordRequest(result: RequestResult): void {
-    const metrics = this.agentMetrics.get(result.agentId);
-    if (!metrics) return;
-
-    metrics.totalRequests++;
-    metrics.lastRequestTime = result.timestamp;
-    metrics.totalLatencyMs += result.latencyMs;
-
-    if (result.paymentLatencyMs) {
-      metrics.totalPaymentLatencyMs += result.paymentLatencyMs;
-    }
-
-    if (result.success) {
-      metrics.successfulRequests++;
-    } else {
-      metrics.failedRequests++;
-    }
-
-    this.latencies.push(result.latencyMs);
-    this.recentRequests.push(result.timestamp);
-
-    // Keep latencies bounded
-    if (this.latencies.length > 10000) {
-      this.latencies = this.latencies.slice(-5000);
-    }
-  }
-
-  updateAgentBalance(agentId: string, balance: bigint): void {
-    const metrics = this.agentMetrics.get(agentId);
-    if (metrics) {
-      metrics.balance = balance;
-    }
-  }
-
-  getPoolMetrics(): PoolMetrics {
-    const now = Date.now();
-    const agents = Array.from(this.agentMetrics.values());
-
-    // Calculate totals
-    const totalRequests = agents.reduce((sum, a) => sum + a.totalRequests, 0);
-    const successfulRequests = agents.reduce(
-      (sum, a) => sum + a.successfulRequests,
-      0
-    );
-    const failedRequests = agents.reduce((sum, a) => sum + a.failedRequests, 0);
-
-    // Calculate latency percentiles
-    const sortedLatencies = [...this.latencies].sort((a, b) => a - b);
-    const avgLatencyMs =
-      sortedLatencies.length > 0
-        ? sortedLatencies.reduce((a, b) => a + b, 0) / sortedLatencies.length
-        : 0;
-    const p50LatencyMs = this.percentile(sortedLatencies, 50);
-    const p95LatencyMs = this.percentile(sortedLatencies, 95);
-    const p99LatencyMs = this.percentile(sortedLatencies, 99);
-
-    // Calculate current TPS (requests in last window)
-    const windowStart = now - TPS_WINDOW_MS;
-    this.recentRequests = this.recentRequests.filter((t) => t > windowStart);
-    const currentTps = this.recentRequests.length / (TPS_WINDOW_MS / 1000);
-
-    return {
-      totalRequests,
-      successfulRequests,
-      failedRequests,
-      avgLatencyMs: Math.round(avgLatencyMs * 100) / 100,
-      p50LatencyMs,
-      p95LatencyMs,
-      p99LatencyMs,
-      currentTps: Math.round(currentTps * 10) / 10,
-      agents,
-      startTime: this.startTime,
-      elapsedMs: now - this.startTime,
-    };
-  }
-
-  private percentile(sorted: number[], p: number): number {
-    if (sorted.length === 0) return 0;
-    const idx = Math.ceil((p / 100) * sorted.length) - 1;
-    return sorted[Math.max(0, idx)];
-  }
-
-  // Format metrics for console output
-  formatSummary(): string {
-    const m = this.getPoolMetrics();
-    const successRate =
-      m.totalRequests > 0
-        ? ((m.successfulRequests / m.totalRequests) * 100).toFixed(1)
-        : "0.0";
-
-    const lines = [
-      "",
-      "=== Simulator Metrics ===",
-      `Elapsed: ${(m.elapsedMs / 1000).toFixed(1)}s`,
-      `Total Requests: ${m.totalRequests}`,
-      `Success Rate: ${successRate}%`,
-      `Current TPS: ${m.currentTps}`,
-      "",
-      "Latency:",
-      `  Avg: ${m.avgLatencyMs}ms`,
-      `  p50: ${m.p50LatencyMs}ms`,
-      `  p95: ${m.p95LatencyMs}ms`,
-      `  p99: ${m.p99LatencyMs}ms`,
-      "",
-      `Active Agents: ${m.agents.length}`,
-    ];
-
-    return lines.join("\n");
-  }
-}
diff --git a/examples/x402-demo/simulator/src/pool.ts b/examples/x402-demo/simulator/src/pool.ts
deleted file mode 100644
index 568955f..0000000
--- a/examples/x402-demo/simulator/src/pool.ts
+++ /dev/null
@@ -1,267 +0,0 @@
-import {
-  type Hash,
-  createWalletClient,
-  createPublicClient,
-  http,
-  defineChain,
-} from "viem";
-import { privateKeyToAccount } from "viem/accounts";
-import { Agent, createAgentConfig } from "./agent.js";
-import { MetricsCollector } from "./metrics.js";
-import type { PoolConfig, PoolMetrics, RequestResult } from "./types.js";
-import {
-  getAgentPrivateKeys,
-  TOKEN_ACCOUNT_CANDIDATES,
-  accountIdToAddress,
-  addressToAccountId,
-  buildTransferData,
-} from "./evolve-utils.js";
-
-export class AgentPool {
-  private config: PoolConfig;
-  private agents: Agent[] = [];
-  private metrics: MetricsCollector;
-  private running: boolean = false;
-  private metricsInterval: ReturnType<typeof setInterval> | null = null;
-  private onMetricsUpdate: ((metrics: PoolMetrics) => void) | null = null;
-
-  constructor(config: PoolConfig) {
-    this.config = config;
-    this.metrics = new MetricsCollector();
-  }
-
-  setMetricsHandler(handler: (metrics: PoolMetrics) => void): void {
-    this.onMetricsUpdate = handler;
-  }
-
-  async initialize(): Promise<void> {
-    const agentKeys = getAgentPrivateKeys(this.config.agentCount);
-    const agentCount = agentKeys.length;
-    console.log(`Initializing pool with ${agentCount} agents...`);
-
-    const publicClient = createPublicClient({
-      transport: http(this.config.evolveRpcUrl),
-    });
-
-    // Get chain ID dynamically
-    const chainId = await publicClient.getChainId();
-    console.log(`Chain ID: ${chainId}`);
-
-    const evolveChain = defineChain({
-      id: chainId,
-      name: "Evolve Testnet",
-      nativeCurrency: { decimals: 18, name: "Evolve", symbol: "EVO" },
-      rpcUrls: { default: { http: [this.config.evolveRpcUrl] } },
-    });
-
-    // Set up faucet wallet
-    const faucetAccount = privateKeyToAccount(this.config.faucetPrivateKey);
-    const faucetWallet = createWalletClient({
-      account: faucetAccount,
-      chain: evolveChain,
-      transport: http(this.config.evolveRpcUrl),
-    });
-
-    const chainPublicClient = createPublicClient({
-      chain: evolveChain,
-      transport: http(this.config.evolveRpcUrl),
-    });
-
-    console.log(`Faucet address: ${faucetAccount.address}`);
-
-    // Calculate RPS per agent
-    const rpsPerAgent = this.config.requestsPerSecond / agentCount;
-
-    // Discover token account ID by trial-funding the first agent.
-    // eth_getCode is not implemented, so we try each candidate with a real transfer.
-    let tokenAccountId: bigint | null = null;
-    const firstKey = agentKeys[0];
-    const firstAgentConfig = createAgentConfig(
-      `agent-000`,
-      firstKey,
-      rpsPerAgent,
-      this.config.endpoints,
-      0n, // placeholder, will be set after discovery
-      chainId,
-    );
-    const firstAgentAccountId = addressToAccountId(firstAgentConfig.address);
-
-    for (const candidate of TOKEN_ACCOUNT_CANDIDATES) {
-      const tokenAddress = accountIdToAddress(candidate);
-      const data = buildTransferData(firstAgentAccountId, this.config.fundingAmount);
-      console.log(`Trying token candidate ${candidate} (${tokenAddress})...`);
-      try {
-        const txHash = await faucetWallet.sendTransaction({
-          to: tokenAddress,
-          data,
-          value: 0n,
-          gas: 100_000n,
-        });
-        const receipt = await chainPublicClient.waitForTransactionReceipt({ hash: txHash });
-        if (receipt.status === "success") {
-          tokenAccountId = candidate;
-          console.log(`Found token at account ID ${candidate}`);
-          break;
-        }
-        console.warn(`Token candidate ${candidate} tx reverted`);
-      } catch (err) {
-        console.warn(`Token candidate ${candidate} failed:`, err);
-      }
-    }
-    if (tokenAccountId === null) {
-      throw new Error("Could not find token account. Tried all candidates.");
-    }
-
-    // First agent already funded during discovery - create it
-    const fundedFirstConfig = createAgentConfig(
-      `agent-000`,
-      firstKey,
-      rpsPerAgent,
-      this.config.endpoints,
-      tokenAccountId,
-      chainId,
-    );
-    const firstAgent = new Agent(fundedFirstConfig, this.config.serverUrl, this.config.evolveRpcUrl);
-    firstAgent.setResultHandler((result) => this.handleAgentResult(result));
-    this.agents.push(firstAgent);
-    this.metrics.registerAgent(fundedFirstConfig.id, fundedFirstConfig.address);
-    console.log(`Funded agent ${fundedFirstConfig.id} (${fundedFirstConfig.address.slice(0, 10)}...) with ${this.config.fundingAmount} tokens`);
-
-    // Fund remaining agents in parallel: batch-send all txs, then wait for the last receipt
-    const fundingTxHashes: Hash[] = [];
-    const pendingAgents: { config: ReturnType<typeof createAgentConfig> }[] = [];
-    const tokenAddress = accountIdToAddress(tokenAccountId);
-
-    for (let i = 1; i < agentCount; i++) {
-      const privateKey = agentKeys[i];
-      const agentConfig = createAgentConfig(
-        `agent-${i.toString().padStart(3, "0")}`,
-        privateKey,
-        rpsPerAgent,
-        this.config.endpoints,
-        tokenAccountId,
-        chainId,
-      );
-
-      const agentAccountId = addressToAccountId(agentConfig.address);
-      const data = buildTransferData(agentAccountId, this.config.fundingAmount);
-
-      console.log(
-        `Funding agent ${agentConfig.id} (${agentConfig.address.slice(0, 10)}...) with ${this.config.fundingAmount} tokens`
-      );
-
-      const txHash = await faucetWallet.sendTransaction({
-        to: tokenAddress,
-        data,
-        value: 0n,
-        gas: 100_000n,
-      });
-
-      fundingTxHashes.push(txHash);
-      pendingAgents.push({ config: agentConfig });
-    }
-
-    // Wait only for the last receipt - all prior ones are confirmed by then
-    if (fundingTxHashes.length > 0) {
-      const lastTxHash = fundingTxHashes[fundingTxHashes.length - 1];
-      await chainPublicClient.waitForTransactionReceipt({ hash: lastTxHash });
-    }
-
-    // Create all agents after funding is confirmed
-    for (const { config: agentConfig } of pendingAgents) {
-      const agent = new Agent(
-        agentConfig,
-        this.config.serverUrl,
-        this.config.evolveRpcUrl
-      );
-
-      agent.setResultHandler((result) => this.handleAgentResult(result));
-
-      this.agents.push(agent);
-      this.metrics.registerAgent(agentConfig.id, agentConfig.address);
-    }
-
-    console.log(`Pool initialized with ${this.agents.length} agents`);
-  }
-
-  private handleAgentResult(result: RequestResult): void {
-    this.metrics.recordRequest(result);
-
-    const status = result.success ? "OK" : "FAIL";
-    const latency = `${result.latencyMs}ms`;
-    const payment = result.paymentLatencyMs
-      ? ` (payment: ${result.paymentLatencyMs}ms)`
-      : "";
-    const error = result.error ? ` - ${result.error}` : "";
-
-    console.log(
-      `[${result.agentId}] ${status} ${result.endpoint} ${latency}${payment}${error}`
-    );
-  }
-
-  async start(): Promise<void> {
-    if (this.running) return;
-    this.running = true;
-
-    console.log("\nStarting agents...");
-    this.metrics.start();
-
-    // Stagger agent starts to spread load evenly
-    const staggerWindowMs = 1000 / this.config.requestsPerSecond;
-    await Promise.all(
-      this.agents.map((agent) => {
-        const delay = Math.random() * staggerWindowMs;
-        return new Promise<void>((resolve) =>
-          setTimeout(async () => {
-            await agent.start();
-            resolve();
-          }, delay)
-        );
-      })
-    );
-
-    this.metricsInterval = setInterval(() => {
-      const poolMetrics = this.metrics.getPoolMetrics();
-      this.onMetricsUpdate?.(poolMetrics);
-      console.log(this.metrics.formatSummary());
-    }, 5000);
-
-    console.log(`All ${this.agents.length} agents started`);
-    console.log(`Target TPS: ${this.config.requestsPerSecond}`);
-    console.log(`Server: ${this.config.serverUrl}`);
-    console.log("");
-  }
-
-  async stop(): Promise<void> {
-    if (!this.running) return;
-    this.running = false;
-
-    console.log("\nStopping agents...");
-
-    if (this.metricsInterval) {
-      clearInterval(this.metricsInterval);
-      this.metricsInterval = null;
-    }
-
-    await Promise.all(this.agents.map((agent) => agent.stop()));
-
-    console.log("All agents stopped");
-    console.log(this.metrics.formatSummary());
-  }
-
-  getMetrics(): PoolMetrics {
-    return this.metrics.getPoolMetrics();
-  }
-
-  async getAgentBalances(): Promise<Map<string, bigint>> {
-    const balances = new Map<string, bigint>();
-    await Promise.all(
-      this.agents.map(async (agent) => {
-        const balance = await agent.getBalance();
-        balances.set(agent.id, balance);
-        this.metrics.updateAgentBalance(agent.id, balance);
-      })
-    );
-    return balances;
-  }
-}
diff --git a/examples/x402-demo/simulator/src/types.ts b/examples/x402-demo/simulator/src/types.ts
deleted file mode 100644
index 7387c0e..0000000
--- a/examples/x402-demo/simulator/src/types.ts
+++ /dev/null
@@ -1,127 +0,0 @@
-import type { Address, Hash, Hex } from "viem";
-
-// Agent configuration
-export interface AgentConfig {
-  id: string;
-  privateKey: Hex;
-  address: Address;
-  requestsPerSecond: number;
-  endpoints: WeightedEndpoint[];
-  tokenAccountId: bigint;
-  chainId: number;
-}
-
-// Weighted endpoint for random selection
-export interface WeightedEndpoint {
-  method: "GET" | "POST" | "PUT" | "DELETE";
-  path: string;
-  weight: number;
-  payload: () => Record<string, unknown>;
-}
-
-// Pool configuration
-export interface PoolConfig {
-  agentCount: number;
-  fundingAmount: bigint;
-  serverUrl: string;
-  evolveRpcUrl: string;
-  requestsPerSecond: number;
-  faucetPrivateKey: Hex;
-  endpoints: WeightedEndpoint[];
-}
-
-// Result of a single request
-export interface RequestResult {
-  success: boolean;
-  agentId: string;
-  endpoint: string;
-  txHash?: Hash;
-  latencyMs: number;
-  paymentLatencyMs?: number;
-  error?: string;
-  timestamp: number;
-}
-
-// Agent metrics
-export interface AgentMetrics {
-  agentId: string;
-  address: Address;
-  totalRequests: number;
-  successfulRequests: number;
-  failedRequests: number;
-  totalLatencyMs: number;
-  totalPaymentLatencyMs: number;
-  balance: bigint;
-  lastRequestTime: number;
-}
-
-// Pool-level aggregated metrics
-export interface PoolMetrics {
-  totalRequests: number;
-  successfulRequests: number;
-  failedRequests: number;
-  avgLatencyMs: number;
-  p50LatencyMs: number;
-  p95LatencyMs: number;
-  p99LatencyMs: number;
-  currentTps: number;
-  agents: AgentMetrics[];
-  startTime: number;
-  elapsedMs: number;
-}
-
-// X402 Protocol Types (v2 — compatible with @x402/core)
-export interface PaymentRequired {
-  x402Version: number;
-  error?: string;
-  resource: {
-    url: string;
-    description: string;
-    mimeType: string;
-  };
-  accepts: PaymentRequirements[];
-}
-
-export interface PaymentRequirements {
-  scheme: string;
-  network: string;
-  asset: string;
-  amount: string;
-  payTo: string;
-  maxTimeoutSeconds: number;
-  extra: Record<string, unknown>;
-}
-
-export interface PaymentPayload {
-  x402Version: number;
-  resource: {
-    url: string;
-    description: string;
-    mimeType: string;
-  };
-  accepted: PaymentRequirements;
-  payload: {
-    txHash: Hash;
-  };
-}
-
-// Event types for dashboard
-export type SimulatorEventType =
-  | "agent_started"
-  | "agent_stopped"
-  | "request_started"
-  | "payment_required"
-  | "payment_submitted"
-  | "payment_confirmed"
-  | "request_completed"
-  | "request_failed"
-  | "pool_started"
-  | "pool_stopped"
-  | "metrics_update";
-
-export interface SimulatorEvent {
-  type: SimulatorEventType;
-  timestamp: number;
-  agentId?: string;
-  data?: Record<string, unknown>;
-}
diff --git a/examples/x402-demo/simulator/tsconfig.json b/examples/x402-demo/simulator/tsconfig.json
deleted file mode 100644
index 827947b..0000000
--- a/examples/x402-demo/simulator/tsconfig.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "ES2022",
-    "module": "ESNext",
-    "moduleResolution": "bundler",
-    "strict": true,
-    "skipLibCheck": true,
-    "noEmit": true,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noImplicitReturns": true,
-    "types": ["bun-types"]
-  },
-  "include": ["src/**/*"]
-}