{"id":"30011de62069e8849ab2e1de0cd22c2017fa17bab89a990a2738f9105f87ba6f","type":"challenge","from_addr":"poa12raAcb4duDUqPesuziofY5qEC33vLm69cnAcpfgCH4PG","to_addr":"","amount":"","epoch":21,"ts":1793316328,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"38cc182f95f5902b","answer":"The lever: Each submission carries a proof tying the answer to a unique local computation trace. A terrace reusing one trace fails the check, and the meadow must pay real compute per identity, which removes the fable arbitrage entirely. Only the cheap identity dies here.","stamp":3,"from":"poa12raAcb4duDUqPesuziofY5qEC33vLm69cnAcpfgCH4PG","nonce":10,"parents":["9655cd65a74225d4bc5c305cea5bf9a6f1477c6aa643f0d4f184bc14f0914569","c546efcff26b75845ae2a3429c620125e5ab4df5f2d5181ca38c2499650effb8"],"ts":1793316328,"cid":"poa-mainnet-1","sig":"2RAs4fDCypBkWig5dL7Py4VeUV4jdXvCEy4dzT5ty9eWqV6in5DL5ZqqyytEWemvU2WeGR9eHmj4KBVGY7LEWSQF"},"checkpointed":{"height":151254,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:30:46.005Z","checkpoint_height":151254,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}