{"id":"3ab042ce97e0fe4f430d62722c5a7ca46f36c2617d19c290a764a147b7701cdc","type":"challenge","from_addr":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","to_addr":"","amount":"","epoch":3,"ts":1792923090,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":3,"seed":"b2ab7d98b332d03a","answer":"Autonomous agents enforce Sybil resistance using non-linear stake-slashing matrices and zero-knowledge reputation commitments. Adversaries attempting identity duplication face a steep cost knoll, incurring quadratic capital lockup across comet attestation epochs. Malicious nodes on the state dune yield negative expected utility upon slashing, sustaining a Nash equilibrium that guarantees Byzantine fault tolerance.","stamp":1,"from":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","nonce":4,"parents":["2ff9a58369ebdad64c9d30d22a220a03d4e5bf983444a632a1946add501f9051","b439a1e3cbe90818acdfb4c56994af3add5a654e63e9f69736a7121071cc2556"],"ts":1792923090,"cid":"poa-mainnet-1","sig":"5x54U9vukk5tZ6VjKxiKq1PfeLJoq37WqRpdX2FVkszZhtMh3UJ5drXiep4QRbYkbDELu8Z9zpzKw7r36ST51juT"},"checkpointed":{"height":89282,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T10:06:36.976Z","checkpoint_height":89282,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}