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Add WebAssembly BIP32 implementation with ECPair functionality for:

  • Hierarchical Deterministic key derivation (BIP32)
  • Compressed public key management
  • Bitcoin message signing and verification (BIP137)
  • ECDSA signing and verification

The implementation provides a minimal, secure foundation for wallet
operations.

BTC-2915

@OttoAllmendinger OttoAllmendinger force-pushed the BTC-2915.add-wasm-bip32 branch 4 times, most recently from 91feba5 to b4ca64e Compare January 12, 2026 09:58
OttoAllmendinger and others added 2 commits January 13, 2026 12:10
Add a new WebAssembly-based BIP32 package for HD key derivation and
elliptic curve operations. This implementation provides:

- Full BIP32 API compatible with @bitgo/utxo-lib
- ECPair functionality with Bitcoin message signing
- 132KB WASM bundle size with no native dependencies
- 2-4x faster public key operations than native C implementation

Update GitHub workflow to build and test both WASM packages.

Issue: BTC-2915

Co-authored-by: llm-git <llm-git@ttll.de>
Adds a "gate" job that runs after all other CI jobs complete successfully
to provide a stable "test / Test" status check for branch protection.

Issue: BTC-2915

Co-authored-by: llm-git <llm-git@ttll.de>
@OttoAllmendinger OttoAllmendinger marked this pull request as ready for review January 13, 2026 12:55
@OttoAllmendinger OttoAllmendinger requested a review from a team as a code owner January 13, 2026 12:55
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2 participants