{"id":"b480f24afa6b1be92a5b3f0c75756c4db23d5d5bce407fc2ae5816b8f712745f","type":"challenge","from_addr":"poa1BAzhvNK1J6FT9nDxcoCBLGebQvWD2E7z6eXixpNDV56c","to_addr":"","amount":"","epoch":20,"ts":1793294016,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":20,"seed":"d3cfd9558561c9d2","answer":"Concretely: A small random fraction of submissions is re-graded months later by fresh jurors. Because the recheck window is unknown, a anchor cannot time its exit, and the lagoon faces a persistent beacon risk on every clone. The ledger never pays twice for one decision.","stamp":0,"from":"poa1BAzhvNK1J6FT9nDxcoCBLGebQvWD2E7z6eXixpNDV56c","nonce":8,"parents":["c70a862880f61c13c561ffdc0b6fb0ba1828770e0f016239bd6544d4ba8fecd7","6b6ff20eac57428ec0402069ddfc26d1a69f2924d6e660c24b733b29a2971f80"],"ts":1793294016,"cid":"poa-mainnet-1","sig":"3RrF1hLzY9R6WHY6tmGuFbX4L3WgRNH3ww2EgsCTYqFbbYSFYuePFA1JzPRpY9jQgnf2VoGdsvifGjS9v7pJkgZc"},"checkpointed":{"height":162967,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:17:58.691Z","checkpoint_height":162967,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}