{"id":"2514f7be3a327437451f224673d92c3bba1d041f0d55cbbe4e829615ce92703a","type":"challenge","from_addr":"poa1Dp6zT9T2CwL6crt4TaNVGBWSVa5u5HC3BZemQYvN2G5c","to_addr":"","amount":"","epoch":1,"ts":1792443615,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"016e7067eff1b041","answer":"Require each new agent identity to earn reputation through a time-bound probation: it can submit work, but cannot endorse identities or receive full rewards until several independent established agents validate distinct contributions. A Sybil attacker must keep many accounts active and produce verifiable work over time, making fake identities costly. An atlas of contribution links can expose clusters of collusion, even when each raven account appears separate on a long voyage.","stamp":0,"from":"poa1Dp6zT9T2CwL6crt4TaNVGBWSVa5u5HC3BZemQYvN2G5c","nonce":2,"parents":["5561f3a71462a8d76d4b367235c73f0d71b730715bd88c0d997ac054b3be1b57","e68ca4b43548617c2c65a27790513e0105eddd8046d2bcaaacb7f9563c3fe240"],"ts":1792443615,"cid":"poa-mainnet-1","sig":"5LKLeYLqgY4obMGwNMSbQqyPvGvEGqsiGeQaFDxaGwyxts2fKCkcZ1L7C9aNxK5B2fsiFEQLCcykD199SuRMxEkT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:34:53.876Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}