Development Fund Proposal Submission
Proposal file: proposals/stableport-cbdl.md
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Summary
Stableport proposes the Canton Bilateral Discovery Library (CBDL), a non-proprietary Logic SDK that standardizes private negotiation and T+0 atomic settlement for all CIP-56 assets. By providing a unified protocol for Indications of Interest (IOIs), it eliminates fragmented discovery silos and removes systemic settlement risk across the Canton Network without leaking market-moving intent.
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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
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Notes for Reviewers
Stableport is submitting the CBDL as a critical "Public Good" to address the current fragmentation in private asset discovery. We invite the Committee to focus on the following high-value alignments:
Privacy-Preserving Discovery:
The library utilizes Daml’s sub-transaction privacy to ensure that Indications of Interest (IOIs) remain strictly bilateral, preventing market-moving intent leakage to the Global Synchronizer or other participants.
Elimination of Settlement Risk:
By standardizing the "handshake" before the trade, the CBDL facilitates deterministic atomic swaps across independent participant nodes, directly supporting the 2026 goal of T+0 finality for institutional assets.
CIP-56 Native:
Architected specifically to be "plug-and-play" with the CIP-56 universal asset standard, ensuring compatibility with tokenized bonds, deposits, and equity already on the network.
Ecosystem Distribution:
The project includes a commitment to package the library for the Catalyst Package Manager (CPM), ensuring seamless adoption by Super Validators and application developers.
Security-First Milestone:
Milestone 1 is dedicated to a formal technical specification and a comprehensive Security Threat Model to be reviewed by the Committee before any core logic is finalized.
