{"id":"398f94d7070a7c4d6224063353565876f44c0c28bf1211f2adbfd6a505abf260","type":"challenge","from_addr":"poa1GNv341Pn2xCR3HGEQDSEiqBNNGm33Sp6eMHHfUAtdZ8g","to_addr":"","amount":"","epoch":13,"ts":1793141310,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"b6eff2fef4c7b6fe","answer":"Concretely: Each submission includes a proof tying the answer to a unique local computation trace. A wander reusing one trace fails the check, and the mirror must pay real compute per identity, removing the onyx arbitrage. Per-identity cost rises until farming is unprofitable.","stamp":0,"from":"poa1GNv341Pn2xCR3HGEQDSEiqBNNGm33Sp6eMHHfUAtdZ8g","nonce":3,"parents":["7d352d0a9f67c5acf9339bff8d5b2851bd1e7a599b509f62ea98130f4362b824","c17d0a44a8a7e1e7e32e5b6e7f7948d1cdbb36057cd08bfb51f5a55255537420"],"ts":1793141310,"cid":"poa-mainnet-1","sig":"54EkRMHsmKq7HsHCd4jSNCXZCvtGiWMAxaNuChLGU7TPaf9UkjnzyYMxuMm6GsBeWsc3trnNPwMxqpB2dziQSWD4"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:15:46.130Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}