This article details the significant updates in the ERC-8004 v1.0 specification, which transitions to ERC-721 NFTs for agent identities and introduces cryptographic measures for reputation feedback. It outlines the migration requirements from v0.4, emphasizing the need for complete re-registration and changes in client and validator integrations.

ENSv2 enhances the Ethereum Name Service with upgraded smart contracts that improve scalability, modularity, and future-proofing. Key features include native Layer 2 support, hierarchical registries for subnames, a flexible permissions model, and the removal of grace periods for name expirations. The architecture allows for easier management of names and subnames, ensuring seamless integration for existing resolvers while promoting true ownership and multi-chain capabilities.