The Ethereum Foundation dAI team, in collaboration with ConsenSys, has launched the final version of the ERC-8004 protocol, designed to facilitate an AI agent economy without centralized intermediaries. This protocol, initially drafted in August, employs three on-chain registries for identity, reputation, and verification, and has already inspired multiple prototypes. Over 100 companies are planning to build on this framework. The ERC-8004 protocol tokenizes AI agents as NFTs using ERC-721, allowing for cross-platform discovery and on-chain reputation management through structured feedback and x402 payment proofs. The final specification, endorsed by key figures from MetaMask, Ethereum Foundation, Google, and Coinbase, reflects extensive community feedback from major industry stakeholders.