ERC-8004: Ethereum don launch on-chain standard for trustless AI agent identity, reputation and validation

Ethereum don deploy ERC-8004, new on-chain standard wey define registries for AI agent identity, reputation and validation. Davide Crapis wey be Ethereum Foundation researcher na one of di co-authors and promoters. ERC-8004 introduce three light registries: Identity Registry (agents represent as NFTs wit registration files and endpoints), Reputation Registry (standard data structures for feedback we fit be human-readable or encrypted and portable across chains) and Validation Registry (cryptographic attestations wey third-party validators publish, like TEE or ZK proofs). Di standard focus on discovery and decentralized trust for agentic AI but e leave payments and business logic to layered apps (complemented by X402 payment schema). ERC-8004 aim to speed onboarding of autonomous agents, enable measurable on-chain reviews to deter manipulation, and support cross-chain reputation portability and decentralized watchtowers to verify service quality. E dey live on mainnet and fit deploy for Ethereum and EVM-compatible L2s; developer tooling (e.g., 8004.org) make agent deployment easy and allow rapid protocol development on top of di registries. Risks still dey: discovery registries fit centralize become choke points, censorship risk dey, weak validation fit open swap/upgrade attack vectors, and off-chain infrastructure go need to propagate reputation before on-chain settlement. For traders, ERC-8004 signal more on-chain activity linked to autonomous agents and more utility for ETH as coordination and settlement layer — fit raise demand for transaction throughput, registry and validation fees, and payment rails. Short-term effect fit small as adoption and off-chain infra still dey mature; medium-to-long-term di standard fit drive utility-led demand for ETH and related infrastructure services as AI agents and payments scale.