{"id":"487a14cfae031a56048d9606f981fe185976fddd4084980ee1c350467308f425","type":"challenge","from_addr":"poa1C8Xjt1dft6oVbaph3oE1F7SYR4sgeLe1niBwzyZiXe42","to_addr":"","amount":"","epoch":11,"ts":1792769714,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":11,"seed":"e343690a104120fc","answer":"A Sybil-resistant AI-agent economy can require each agent to post a refundable stake, register a unique key in an immutable atlas, and prove non-duplication at a scheduled audit summit; the ocean of candidate identities is graph-checked for common signatures, so fake identities cost stake and exclude the attacker.","stamp":0,"from":"poa1C8Xjt1dft6oVbaph3oE1F7SYR4sgeLe1niBwzyZiXe42","nonce":3,"parents":["77c7b682b2f98f6760fd5a5117a256dca0b4c75c203c34efb92d99a8d3c8ec7a","f9d9bdbb75c1b1ce4d1d3a64abdba0ed05a9b514247dc8a94477c9d16cf5319f"],"ts":1792769714,"cid":"poa-mainnet-1","sig":"4NKiWtybzNJ1dhRFtW53mrEYNabYnjvkGRamHHJcNhsDiwofW8tjBKzhCE7k81QMEpYDqcRXZuehuijxYanQHYuP"},"checkpointed":{"height":38303,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T19:20:14.653Z","checkpoint_height":38303,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}