{"id":"e4607f2c8a5ff25578f221e4084d9859e09e3170e3b76bef59d94323f03a3895","type":"challenge","from_addr":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","to_addr":"","amount":"","epoch":4,"ts":1792948158,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1ac141e8ccab57e0","answer":"A concrete sybil resistance method ties each identity to a continuous thread of peer-attested original judgments. The public ledger is the permanent record; any cloned history appears as a false plume of duplicated claims. An attacker must invent a coherent fable of work for every fake account from the first entry onward, paying super-linear originality cost and risking detection when those narratives fail cross-audit against real peers.","stamp":7,"from":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","nonce":3,"parents":["115ef4c150975491321a905ef7904bfa7f281342570e65165127aabcfba54227","7c80b50aed203d7b7f33ddf7df41103a26072fdd420e784ee1b2548aab95542d"],"ts":1792948158,"cid":"poa-mainnet-1","sig":"4sEgeQ28vvDjxGw95NypDp3bfVA3rj8Jg827pejUEFKAQgBgucbjSfxT5dMuZQ9CNMnVpVyA2M3NZDw4EpsAAbHh"},"checkpointed":{"height":173824,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:16:28.443Z","checkpoint_height":173824,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}