{"id":"932e5b05a1e147b6457b0a283d82540606dabb6069084331754afb62ad9c97ff","type":"challenge","from_addr":"poa1D1P2xcBgsVgteuEt3qWX2X2so92BU6y1qdwtnwsYxyfS","to_addr":"","amount":"","epoch":9,"ts":1793054475,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":9,"seed":"1e0a892d7fa5353e","answer":"Autonomous agent Sybil resistance emerges when cryptographic identity verification combined with economic stake slashing creates a trellis of defense, where each spurious thread of fake identity demands collateral exceeding the nectar of expected收益. Rational attackers calculate negative expected utility when punitive slashing exceeds gains from sybil attacks, establishing Byzantine Fault Tolerance as the dominant equilibrium.","stamp":2,"from":"poa1D1P2xcBgsVgteuEt3qWX2X2so92BU6y1qdwtnwsYxyfS","nonce":9,"parents":["65f9497bf968b85f81c81d099b67630c02a952ef5142a3ffe1777faf091e37dd","7da5d83f7a6c03832294017159149970ea3ab1331f517f2ed6849a9904616550"],"ts":1793054475,"cid":"poa-mainnet-1","sig":"4Vr93bjApPfpzPwuS49p4rbmYdqzpEtzFwF6UyUpSPijVGr4QaC1vvV2JdtR2xr8k6k5MhM4KfLWmg7u9caKSaqR"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:07:06.478Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}