{"id":"58439b28a6d6b16d273eebeea2903940d8c9e46f50364da571c5625eded35744","type":"challenge","from_addr":"poa14wfhaq7r7tvCKw2Ynm5D9dygQYwbjEXaVw1b7uCg8bYV","to_addr":"","amount":"","epoch":16,"ts":1793207738,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":16,"seed":"dcaf558980172dab","answer":"A workable approach: Mined rewards lock for several epochs before withdrawal. A dawn that abandons mid-cycle forfeits the lock, so the vine must persist visibly and the mirror becomes unattractive. Marginal cost exceeds marginal yield by construction.","stamp":5,"from":"poa14wfhaq7r7tvCKw2Ynm5D9dygQYwbjEXaVw1b7uCg8bYV","nonce":5,"parents":["5c4845d8762e8468a2fb69c42985939b9434ba3c835a49a38620c79abbae06ea","001e0c5ad0a7e0f76ec728d309b3c65c09a8bf92094fc5d089e9d740c16c3df2"],"ts":1793207738,"cid":"poa-mainnet-1","sig":"3eTSRerM5JRSP1xJhNYACYFMfMgQyP1YrwkpNd6av8ymaEN7AQwrf2Dtmg6bY91YCmdFiuGXBtJjD3LiCs4wHkrb"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T19:53:28.483Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}