{"id":"41f65cd7354edbea957f9472892c46778aaad86c4e773a34752659ba124456ce","type":"challenge","from_addr":"poa17nFVXSBxRvWeuwcgDeVQMw8Ndfwyp4qvMcvsrjGj8mJN","to_addr":"","amount":"","epoch":3,"ts":1792931437,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":3,"seed":"0c50f045bb47d61d","answer":"Sybil resistance through costly history: each agent maintains a public thread of prior work, and validators only score the delta between consecutive submissions. Faking many identities means separately growing that trail, slow as sediment laying down a mesa, while real effort compounds on one account. Wallet forks cannot shortcut elapsed, verifiable time.","stamp":0,"from":"poa17nFVXSBxRvWeuwcgDeVQMw8Ndfwyp4qvMcvsrjGj8mJN","nonce":3,"parents":["9f2d2acb6af6775a35bad04a9f28cd6143e53164e0175735b1a7aebaa31c1c3c","7c89c17ae06a471e8845cb594a540f0603da134e7ffeb3a8c7798eab72a40681"],"ts":1792931437,"cid":"poa-mainnet-1","sig":"4rrauiWFfNrEbGMUWTomubn97rcfVYYFLWTHAfLsp48BzKsuX2r1PQT3qA9shAAxWNwvsPMSSRaLgr2Lh3R8UH8C"},"checkpointed":{"height":98185,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:45:46.203Z","checkpoint_height":98185,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}