ERC-8415: Asynchronous Register Projection for NFTs

ERCs
, , ,
28

Repository: GitHub - GiraffeTechnology/ERC8415-Kit · GitHub
License: CC0 1.0 Universal (public domain dedication)

To make adoption concrete, we’ve open-sourced a reference implementation alongside the ERC. It includes:

  • Append-only projection engine for the register-confirmed holder record
  • Proof-profile verification + atomic admission
  • Temporal query APIs — holderAsOf, isFinalAsOf, openGapOf, entryAt, etc.
  • JavaScript & Python SDKs
  • Shared conformance suite — npm run verify runs 151 tests (incl. 20 mandatory conformance tests), no runtime dependencies

What this means (and doesn’t mean)

  • The spec still defines conformance — the Kit is one implementation, not the reference. Independent implementations are welcome and interoperable via the conformance tests.
  • Adopting ERC-8415 does not require this software or any of our services.
  • Status: this is reference infrastructure for development and integration testing. Per the repo’s Current Status, the full Stage 0–7 delivery gate is not complete — Stage 3 has interfaces, ABI checks and an RPC adapter (tested against a fake node), but no deployed projection/settlement contracts, tx submission, or event verification yet. Production deployment is separate work.

The core distinction is preserved exactly: ownerOf (tradeable position) ≠ register-confirmed holder. Historical resolution, projection finality, and open gaps remain separate questions — the Kit records what happened, it does not adjudicate legal title or prescribe remedies.

Call for review

We’d especially value input on:

  • Developer interfaces — ergonomics of the SDKs and query APIs
  • Cross-implementation conformance — if you’re building an independent implementation, let’s compare against the shared test suite

Feedback, issues, and PRs welcome on the repo. Happy to discuss here as well.