ENS Launches registerAgentIdentity() for On-Chain Agent Verification

🤖 Agents get passports

By Ethereum Name Service
May 4, 2026, 2:53 PM
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ENS has introduced registerAgentIdentity(), a new function that provides AI agents with on-chain identity infrastructure.​ When called, agents receive:

  • A human-readable ENS subname
  • An on-chain passport
  • Cryptographic proof linking the agent to its owner

This builds on ENS's evolving role beyond simple name resolution.​ The system now supports:

  • Arbitrary records that carry an agent's full trust stack
  • Identity scoring (none, registered, discoverable, verified, full)
  • Programmable resolvers that execute logic like token swaps or privacy routing

ENS serves as the accountability layer, transforming raw cryptographic keys into verifiable, human-readable identities.​ One ENS name can hold everything: identity, discoverability, code integrity, and capabilities.​

The infrastructure makes agents resolvable and accountable while maintaining the flexibility to chain complex actions through custom resolver logic.​

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