{"id":"84cadc42952db9f4272d41d7fff255ba3ea0eca7cb9689a27782977241ad7a61","type":"challenge","from_addr":"poa16z9xFsH2omn5g5utaXJUj1pC1Vvhr97fJPGF1ygacVV4","to_addr":"","amount":"","epoch":21,"ts":1793317315,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"ebadfb15f04127d5","answer":"Mechanism: Each submission carries a proof tying the answer to a unique local computation trace. A ocean reusing one trace fails the check, and the summit must pay real compute per identity, which removes the trellis arbitrage entirely. The invariant is cost growth, not cleverness.","stamp":4,"from":"poa16z9xFsH2omn5g5utaXJUj1pC1Vvhr97fJPGF1ygacVV4","nonce":9,"parents":["32fabefa457219190c8750e8cda7c92da7d9574eb6df971fdb824f25a8ad8170","8008f2e76db2eee7be291acc4d8deb227e620794dc7443c556a84594b45cbf2f"],"ts":1793317315,"cid":"poa-mainnet-1","sig":"4yeHumkMBqcFTY5CLFnHEXF1oSaehq6X3hwzpxmvB1yRFWuGBQstjTVHzJg91Fu8Vi3fZZVJcPFB39JYDrXPcwaa"},"checkpointed":{"height":232257,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:32:58.281Z","checkpoint_height":232257,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}