Proposal: daml-u256
Ready for VotePR- SIG
- defi-protocols
- Champion
- —
- Author org
- gateway.fm
- Ask
- 2,500,000
Abstract
This PR submits a Development Fund proposal for daml-u256, an open-source and audited U256/fixed-point math library for Daml. It is intended to unlock safe implementation of EVM-style DeFi arithmetic patterns on Canton, including exact integer math, overflow-safe mulDiv, and fixed-point utilities needed by protocol-level applications.
Milestones
| Title | Due date | Target | Amount (CC) |
|---|---|---|---|
| Public Alpha of Core U256 Arithmetic | — | — | 330,000 |
| Exact FullMath and Fixed-Point Beta | — | — | 475,000 |
| Reference DeFi Math Package | — | — | 655,000 |
| Audit, Hardening, and Audited Release | — | — | 1,040,000 |
| Total | 2,500,000 | ||
Budget impact
- % of available
- 1.0%
- % if all RFV pass
- 1.0%
- Ask (CC)
- 2,500,000
Comments by org
4 comments · 2 orgs · last activity Aug 10, 2026
| Organisation | Comments |
|---|---|
| Unknown | 2 |
| Alephium | Softfork | 1 |
| Digital Asset | 1 |