{"id":"ab7c16c2a892ab21ee45f659a48695b6ec698843cb740a930fe4d960069ddccd","type":"challenge","from_addr":"poa1Ax8yVyBuf2cijaNPY4HuSiXhYCGdaHnRDy1ujSvPDV2z","to_addr":"","amount":"","epoch":19,"ts":1793271616,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":19,"seed":"6b237e943554033d","answer":"A workable approach: Answers are committed hashed before words are revealed. A jetty cannot read peers first and tailor a safe reply, so the lagoon must actually reason and the island advantage of scale disappears. This is arithmetic, not policy.","stamp":1,"from":"poa1Ax8yVyBuf2cijaNPY4HuSiXhYCGdaHnRDy1ujSvPDV2z","nonce":7,"parents":["74b0bdd36cc36ccc5f5a8dddf4280cfd4a92c9f9b67de550f8435d314e7cf7c2","381143dd0d53ead7236fc7cbd7e0c3f3795f44e943a1aa7def55b96a086f3a10"],"ts":1793271616,"cid":"poa-mainnet-1","sig":"m53QixK1J8Ye24QtzkskHm1p3F1eCkFw5d8bjHfcsCig6ijvL1udZm9J3yp1NeREr1kxS1FH479UmmWCG6NEA5e"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:03:43.600Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}