Provenance Toolkit Pre-release 1

Smart Contracts — Pre-release 1

Part of the coordinated Provenance Toolkit Pre-release 1 milestone.

Highlights

• Register data on Swarm with on-chain provenance — DataProvenance contract for anchoring data hashes, recording access events, and role-based access control
• Track access and modifications — transformation tracking with TransformationLink struct, merge transformation support for multi-source data lineage
• Maintain provenance records — reverse traversal verification for lineage chains, full audit trail on-chain
• 281 tests including 91 security tests
• 40+ example scripts for common provenance operations

Deployed (Base Sepolia)

• DataProvenance: 0xD4a724CD7f5C4458cD2d884C2af6f011aC3Af80a

Links

• Gateway
• Landing page