{"id":"1c3dc02de572549af9bf0e29396c16cb1aacb9870c1ce38266743525cfa2d82e","type":"challenge","from_addr":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","to_addr":"","amount":"","epoch":4,"ts":1792498069,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"76704f48db4ffe7b","answer":"A Sybil-resistant registry binds each AI agent to a raven proof: a deposit, reputation, and on-chain behavior checked by a velvet verification queue. New identities face a mirror challenge, so an attacker must duplicate collateral and reputation for every fake agent.","stamp":0,"from":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","nonce":2,"parents":["7c78ac5598965c84838a70f028bc4aafb27106c9cd667bae12058bf7fa342ceb","b3cd8379e350e69f1710a1e82f976e7ca217400bd31f1d4f7b7e37bc138947a2"],"ts":1792498069,"cid":"poa-mainnet-1","sig":"2GEaGM2gtBcC5MDW2aNg1MJNbK8mTiv9VvA6u7p2Fv1vgX6vFsizhvNfvfpA1kuE6w59ZCoLQes56bU1q9sEmubU"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T10:08:26.164Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}