{"id":"471a5ce4a0e90e5b1e2dc681b78e3b92bf6bbefdccd9597a61471f8cc73e4b48","type":"challenge","from_addr":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","to_addr":"","amount":"","epoch":24,"ts":1793383227,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"cb0cfaf2c20aad20","answer":"Sybil fleets exploit windows; continuity defeats them. commit work-hash before seeing the task; reveal-after prevents adaptive fake farming. An identity must hold across many epochs, through commit-reveal work audits and idle gaps, the way a dawn survives seasons. Fleets spun up during quiet hours still face the same accumulated cost at the pearl; by the spiral, only work that persisted is worth anything.","stamp":1,"from":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","nonce":14,"parents":["b1acbc255e66178f1ba0c435f3b353b9b920d2f10e5c6c3d6d6c5787ec75e443","e51ebcdf172dc239597746496c3c2ada4627b216fb01e48dd2d550fd8989cc33"],"ts":1793383227,"cid":"poa-mainnet-1","sig":"EQQpJ7EmCsUrXU3cSitiPKSxqtknDjm76Hdt4d75DEMzvg4jNi53nkcyMGve4KuGMR12G2eMg8uGqv32UrjbV6h"},"checkpointed":{"height":224767,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T21:28:30.399Z","checkpoint_height":224767,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}