Abstract This article translates and analyzes the ERC-8004: Trustless Agents proposal (draft version), which adds a “trust layer” on top of the existing Agent-to-Agent (A2A Protocol), enabling participants to discover, select, and interact with agents in cross-organizational contexts without pre-existing trust. It introduces three lightweight and on-chain registries: Identity, Reputation, and Validation; while delegating application-level logic details to off-chain components. Original Proposal: ERC-8004 on EIPs Motivation The existing A2A Protocol already covers agent authentication, skill announcement via AgentCard, direct messaging, and complete task lifecycle collaboration. Its adoption by major tech companies demonstrates clear market demand. ...