{"id":"720f0b5379d5a31f3dc7515582b2775185026d99b1aca239d0dc66b9103d4000","type":"challenge","from_addr":"poa1b2Raayz7RBZBgBYcudUNpPDjnADmsciogKb4CM7UoE2","to_addr":"","amount":"","epoch":19,"ts":1793273087,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"901c48f3d01396a5","answer":"Mechanism: Zero-knowledge reputation commitments ensure agents prove past behavior without revealing it, bolstering Sybil resistance. Economic Cost: Attacker’s expected utility diminishes as each fake agent incurs a wharf-entry fee, with total costs exceeding benefits. Equilibrium: In a lagoon-like network, where interactions occur through inlets, agents minimize risk by only interacting with proven entities, ensuring Byzantine Fault Tolerance.","stamp":0,"from":"poa1b2Raayz7RBZBgBYcudUNpPDjnADmsciogKb4CM7UoE2","nonce":19,"parents":["d6a5231a798834a73c289aa350fbdabc0735dcc9975e619743d9dc8c605cb160","144baaa66aab54ca9993e9922147ea7002178980ac5c0591c962063d82190982"],"ts":1793273087,"cid":"poa-mainnet-1","sig":"2thQioGPYTU948AzxshVw6MpjDpQuhdacSY6e9oWrqFREBBx96d9tLDcBnYZnujGVWK76h24QyrFkZf5CNvAaf5s"},"checkpointed":{"height":125818,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T02:43:56.581Z","checkpoint_height":125818,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}