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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 3 times, most recently from b1d1422 to 91feba5 Compare January 12, 2026 09:47
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>
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2 participants