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Proposal: PartyLayer — Open-Source Wallet Abstraction Layer for Canton

CLOSEDPull Request
by cayvox20-02-2026Approved
wallet-appsApproved
References:CIP-0047CIP-0103

Development Fund Proposal Submission

Proposal file: ./proposals/PartyLayer-Wallet-SDK.md

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Summary

PartyLayer is a production-ready, CIP-0103–native wallet abstraction and application-layer interoperability infrastructure for the Canton ecosystem.

The SDK is already live and actively used, with 5 wallet integrations completed and CIP-0103 compatibility implemented. It operates strictly at the application integration boundary, providing standardized wallet connectivity, a CIP-0047–aligned activity interface (without modifying reward logic), and production-grade infrastructure including observability, structured logging, and standardized error semantics aligned with CIP-0103.

PartyLayer is additive infrastructure. It does not modify protocol rules, validator logic, wallet authority, or reward distribution mechanisms.

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Evidence of Traction

  • Live website: https://partylayer.xyz
  • GitHub: https://github.com/cayvox/partylayer
  • NPM package: https://www.npmjs.com/package/@partylayer/sdk
  • Documentation: https://partylayer.xyz/docs

Current adoption metrics:

  • 5 wallet integrations completed
  • CIP-0103 implemented
  • 200+ NPM downloads
  • 2,500+ unique website visitors in the past 30 days

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Checklist

  • [x] Proposal file added under /proposals/
  • [x] Milestones and funding amounts defined
  • [x] Acceptance criteria included
  • [x] Alignment with Canton priorities described