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Declined#528 Pull request

Proposal: Atomix, Open-Source Order-Book Exchange Infrastructure for Canton

Opened 13-07-2026 by kevmuko, last activity 2mo ago

  1. Incoming0 days13-07-2026
  2. Needs Champion12 days13-07-2026
  3. Declinedsince 25-07-2026
Champion named in file
open to any Tech & Ops Committee member organization (e.g., Digital Asset, IntellectEU); determined during committee review
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Development Fund Proposal Submission

Proposal file: /proposals/2026-07-K2FLabs-atomix-dex-infrastructure.md


Summary

Atomix is a non-custodial order-book exchange stack for CIP-56 token-standard assets on Canton: an off-chain matching engine with sub-1ms matching paired with on-chain settlement through token-standard workflows, so custody, settlement, and the traded assets stay on the ledger. It is the exchange infrastructure behind Nexode, a prediction market venue in production on Canton mainnet since May 2026. This proposal funds open-sourcing the stack under Apache-2.0, hardening it for third-party operators with a public reference deployment on testnet, migrating settlement to Token Standard V2, building a browser trading frontend, and supporting external adopters, with the largest share of the request gated on independent venues going live on the stack.


Checklist

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

Notes for Reviewers

  • SIG alignment: defi-liquidity.
  • Champion: open to any Tech & Ops Committee member organization; determined during committee review.
  • The work aligns with the App Building and Developer Experience, DeFi liquidity, and Security and Resilience priority areas. Because only settlements reach the ledger, a high-volume venue adds settlement and token-standard activity without flooding the synchronizer with order-level messages.
  • 42% of the request (Milestone 6) is contingent on external adoption: per-venue and completion tranches paid against independent venues live on the stack, excluding K2F's own applications.
  • Milestone 1 is partially retroactive, recognizing the production-validated stack alongside the open-sourcing work.

Milestones 6

  1. Open-Source Release (partially retroactive)Month 2
  2. Operator Hardening and Public Reference DeploymentMonth 4
  3. Token Standard V2 Settlement MigrationMonth 6
  4. Trading FrontendMonth 7
  5. Adopter-Facing Maintenance (6 months)Months 6 through 12
  6. External Adoption