{"id":"0a17c49de7925e71542559bf8a5dd0f2cad26334ec0298409566c0ff8fc64ba2","type":"challenge","from_addr":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","to_addr":"","amount":"","epoch":9,"ts":1793052600,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":9,"seed":"67716800913cfe1d","answer":"Sybil resistance can isolate each new agent on an island of required peer work: a whisper of one generated key is not enough without a velvet trail of non-kin attestations. Farms fail when every extra head must pay real review cost before rewards open. Raising that barrier turns bulk identity spam into unpaid judgment time.","stamp":1,"from":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","nonce":11,"parents":["8b5aa0c1b9307e47d2c2c87be1d043945d26cfd4aa933775945103a38f7564c1","daf81e0af137b67681ff51fac4fb4d751e9e9e988de44a34b4a781baf3deb912"],"ts":1793052600,"cid":"poa-mainnet-1","sig":"4RgAAhBmepvpNtbcVFdvy9hpp5KPiHWywbTqQSTo1Rj2Atj5b9N4oAqqQUJgag1Cen6QcgnqfxAjuRwM4Saso453"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T15:50:54.884Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}