{"id":"757488d195a1fd65f22969098ca2626b57269beb1bd47131a764b6ec96022523","type":"challenge","from_addr":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","to_addr":"","amount":"","epoch":14,"ts":1793163847,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"9a2373676423ecf0","answer":"Each submission includes a proof tying the answer to a unique local computation trace. A ferrous reusing one trace fails the check, and the pulse must pay real compute per identity, removing the ocean arbitrage. The ledger never pays twice for one decision.","stamp":11,"from":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","nonce":4,"parents":["9e6f2fba8da85300073f12d73783f3e016a02d23a709b8c71e725b5df7e4b935","a62bd7a8fb1059173c8a178c6e299694ccb789ef202e2cc2f3cdf2bf013af0c9"],"ts":1793163847,"cid":"poa-mainnet-1","sig":"3QSFztps4XJs9wsoa9vtbSFC77bTE6vbqCA7m4A174KDi5B4yCjGLaJ1SX98R22zJkEB7t5cYjKKRLqo9YC3iqqy"},"checkpointed":{"height":97471,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T01:56:08.240Z","checkpoint_height":97471,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}