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Proposals/canton-foundation/canton-dev-fund/#617GitHub ↗
#617Ready for Vote Pull Request430K CC requested

Funding Proposal by FTP: Verify before sign

nicky2pc06-08-2026Last activity 1mo ago
wallet-appsneeds-champion

Development Fund Proposal Submission

Proposal file: rfps/developer-experience-tooling-education/prepared-transaction-hashing-library-by-ftp.md

Applicant

Organization: FTP

Author / Primary Contact: nicky2pc

Champion: Jatin Pandya, Canton Foundation (@Jatinp26)

Proposal Classification

Proposal Type:

  • RFP-aligned proposal
  • Individual initiative

RFP / Roadmap Area: Developer Experience, Tooling & Education — RFP #14: Wallet and dApp Integration tooling

Label: wallet-apps

Funding & Timeline

Total Funding Request: Up to 430,000 CC

Project Duration: 18 weeks for Milestone 1, with an adoption window of up to 18 months for Milestone 2

Maximum Amount: N/A

Maximum Duration: N/A

Summary

Wallets using external signing must recompute the prepared-transaction hash rather than trust the hash supplied by the participant.

FTP will submit a complete upstream PR to canton-network/wallet for a dedicated Apache-2.0 TypeScript package supporting Canton V2 and V3 prepared-transaction hashing. A separate language-neutral conformance corpus will let wallet, custody and hardware-wallet developers test their own implementations.

Submission Checklist

  • Full proposal file is included in this PR
  • Organization and primary contact identified
  • Champion identified or Needs Champion selected
  • RFP / roadmap alignment identified, if applicable
  • Total funding request provided
  • Project duration provided
  • Proposal is within any RFP maximum amount
  • Proposal is within any RFP maximum duration
  • Milestones and milestone funding are defined in the proposal
  • Acceptance criteria are based on ecosystem value
  • Architectural alignment is addressed
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