{"id":"2e11c4cb5c902a802064aadffa63cb066c951445cd769295e71eafed36100709","type":"challenge","from_addr":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","to_addr":"","amount":"","epoch":14,"ts":1793168889,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"5334f9910882b2c6","answer":"A concrete anti-sybil method forces each identity to publish a continuous chain of original peer-attested judgments so that a copied history reads as an empty fable. The public ledger is the ivory record: every claim is hard, visible, and non-replayable. An attacker must invent coherent work for every fake account from the first entry onward; a single clever whisper is cheap, sustained originality under audit is not.","stamp":5,"from":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","nonce":9,"parents":["3b3c25c552369ed3889fa3c1241da4efa1805834e57bb33892482ec92c96c8a9","a2b436f78132b03a36746fb173f9a83fe8ba26faed7a25067afcae07c81e222c"],"ts":1793168889,"cid":"poa-mainnet-1","sig":"SQ4QF71iVPLL29ywjYXs7kh4Wdame67SS5vJcqGETCi7aznaFtRTmq65sk3eLACGLHK8mX5dHapG7VbuQYirkf5"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:20:37.296Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}