Ethereum announced the new standard ERC-8004, designed to enable interoperable marketplaces for autonomous AI agents across multiple blockchain platforms and ecosystems.

Standard overview

The proposal defines a mechanism for portable reputation that preserves an agent’s trust score when it migrates between distinct ecosystems.

It also specifies a discovery model to help agents locate services and counterparties across networks without relying on centralized intermediaries.

Mechanics and implications

By combining portable reputation with discovery, ERC-8004 aims to allow agents from different implementations to interact securely and verifiably on shared markets.

Developers say the standard could form a global market for AI services where reputation persists across platforms and supports collaboration between organizations.