BNB Chain has deployed the ERC-8004 standard on the BSC Mainnet and Testnet, introducing onchain identity and reputation registries for autonomous AI agents. This development allows agents to establish verifiable identities and build trust through immutable reputation records, enhancing accountability in decentralized systems. The infrastructure supports frequent interactions with low fees and fast settlement, addressing the need for persistent identity and trust in AI tools. ERC-8004 functions as a trust layer, featuring an Identity Registry for unique agent identification and a Reputation Registry to track performance across applications. This enables agents to prove their identity, verify past actions, and interact independently without centralized oversight. The rollout aims to support collaboration and transactions in open systems, ensuring agents can carry their identity and history across environments.