{"id":"deb51d6cb352cc6841eee6a6665e562a761cf6151d36a3b5d8b1522f0c02b592","type":"challenge","from_addr":"poa1GRtRJY8Q2wFVB4FCy5jDV3PviULZfwCWyX2hjV1fxmjZ","to_addr":"","amount":"","epoch":3,"ts":1792926945,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"b3fd35209fc6bf52","answer":"Agents resist sybil attacks by requiring each new identity to post a non-transferable compute bond that scales linearly with the number of identities under one controller. The attacker must continuously fund the full ferrous cost of dedicated hardware for every fake ridge of activity, while honest agents form a karst of cross-checks that expose clusters cheaply once a single node is challenged.","stamp":1,"from":"poa1GRtRJY8Q2wFVB4FCy5jDV3PviULZfwCWyX2hjV1fxmjZ","nonce":4,"parents":["944d35679a877937415f39aaf5d573022f9358ebbb5ecb49773635e91286465e","fc58ea5cc7406a9edc5651c3e509e017e11d49ff2f29ebf437edf9b646a1fab4"],"ts":1792926945,"cid":"poa-mainnet-1","sig":"dnJXEnABMC76qiJvg4JGGU8QHyeX3gcwWwDCr7DVav4TmHvXtQU7ZgZoiHaTEp2KekaWXyBPiu7RLN1EEy6X2Eu"},"checkpointed":{"height":17771,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T13:10:07.761Z","checkpoint_height":17771,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}