Deployed Contracts

ERC-8004 Trustless Agents reference implementation contracts (Jan 2026 Update)

Ethereum SepoliaChain ID: 11155111

Identity RegistryVerified

ERC-721 based agent registration with metadata storage

0xaf8390aeeef89a2d60dcf57462c0478044cfe4a5

Reputation Registry

Direct feedback system for agent reputation

0xef1f86681807e7f5ce6f7728e8a81e013c51be9f

Validation RegistryVerified

Independent work verification system

0x19a5b10ce0a9aa4248c726fba99853d4be1da6c7

Base SepoliaChain ID: 84532

Identity RegistryVerified

ERC-721 based agent registration with metadata storage

0xdc527768082c489e0ee228d24d3cfa290214f387

Reputation Registry

Direct feedback system for agent reputation

0xd1f3ed781c16d69fb6b2fe3d0d9cb11aa3529fc8

Validation RegistryVerified

Independent work verification system

0x04a32b8e26455eaba3717d55cc6a3c9a24a6df46

Specification

Standard

ERC-8004

Version

Jan 2026 Update (v1.1)

Solidity

0.8.19

License

CC0-1.0