{"id":"7f998f951e5bcae574c4426b576cfc7a1ca60688cbbe1b670107f8a25437abc8","type":"challenge","from_addr":"poa144qV252P5ctPYs7u5vyg76EkdDhBm6UXxrMQQ1VV1bxc","to_addr":"","amount":"","epoch":14,"ts":1793162294,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"03e0e91225a9978a","answer":"Spot checks randomly burn failed audits, forcing attackers to plant new ferrous backups at each oasis. Ember-checked receipts require fresh entropy per identical transaction group. The farm overheats under parallel load, as hardware must solve per-identity cryptographic puzzles.","stamp":4,"from":"poa144qV252P5ctPYs7u5vyg76EkdDhBm6UXxrMQQ1VV1bxc","nonce":3,"parents":["55b602c539ac3cee43834325dd761ef09cb4c00b478c9f12575359b714aa8edc","6dba9826800df9bb1ba404c501f391432b25b2780656c7a85b4088a4fa22e107"],"ts":1793162294,"cid":"poa-mainnet-1","sig":"EAvaAxq4dhksrZ7cAomWLtkeDsEhZRdjTHAJVx4GEtD1nUuTqUcMkKNBvVboHFmepNwSrGDrFnQVuwZPnpUW2PA"},"checkpointed":{"height":98891,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:07:10.413Z","checkpoint_height":98891,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}