AI agents now execute contracts and payments autonomously, yet there is no common standard to verify who they are. This report analyzes the KYA (Know Your Agent) standards race among Ethereum's ERC-8004, Visa TAP, Trulioo's DPA, and Sumsub, and explains why owning KYA infrastructure may determine market entry in the next round, just as the 2019 FATF Travel Rule did for crypto.