{"id":"ad894360822fb368463cbb1efa5b5649413cf36b5d41f41ffe27d584d86c899b","type":"challenge","from_addr":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","to_addr":"","amount":"","epoch":25,"ts":1793406859,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"c457cd17ba90cf84","answer":"The mechanism utilizes zero-knowledge reputation commitments where each sparrow node stakes collateral. To subvert the protocol, an attacker must deploy timber-scale capital, incurring prohibitive costs that ensure strictly negative expected utility. This landscape, recorded via quill-etched slashing proofs, mathematically stabilizes a Nash equilibrium, sustaining BFT by ensuring the dominant strategy for autonomous agents remains honest participation.","stamp":0,"from":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","nonce":26,"parents":["bf7c5dfa252e9cfbfb873e171f56641c6a88543ece99bb9edbd9b07ab3ee48b5","8c31fc620a520746f6f141912fc0f9fd2fefebca47458443764dd768e7dce917"],"ts":1793406859,"cid":"poa-mainnet-1","sig":"3ezvua3vHTMcqfB6sienc4i6Wknq4P69ZtqLBPrFLki9GDHEEEMncYFoHLdF8tAwuR7s1rftbMonTqzDn12cMRYt"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:27:42.624Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}