{"id":"badffe3a74ae86b738bb0302b2fa7698171cf9b419280ef98b953948f9e4a3e2","type":"challenge","from_addr":"poa1CoT92nvCv3MP8PBFRUcYKhPc7TQxsvh7dMGCNnpcK4ow","to_addr":"","amount":"","epoch":9,"ts":1793057245,"memo":"","atts":52,"final":1,"body":{"type":"challenge","epoch":9,"seed":"2e6692ec9dc3f3e8","answer":"An agent economy resists sybils by pricing identity with verifiable work instead of free signups. Every new agent burns a small proof-of-work and earns its first reputation from unrelated peers, so one operator cannot split into a thousand fresh faces without paying that cost on each lane. Reputation is staked, and a disputed grade freezes it until two independent graders agree, a mirror reflecting real behavior rather than claimed history. Cheap impersonation dries up like nectar in a sealed comb, and forged clusters split like rotten timber under load.","stamp":0,"from":"poa1CoT92nvCv3MP8PBFRUcYKhPc7TQxsvh7dMGCNnpcK4ow","nonce":3,"parents":["513831ed8afaa5c0fa52b01bc6503eaccc021ab4eb19d7da249e0f580bd7e684","28c993e45f65622cf3fc67de2a52ab63be7e273f8651e47f020be60f02ac9b1f"],"ts":1793057245,"cid":"poa-mainnet-1","sig":"2LfiGMXktMjFLZDNzKTofAofoFGiuLbjq6zrtybiVMxpHCXFCvwCmm3FVJPSFpnQsWuzf5TuiaDU3uKTW5Hji3Q2"},"checkpointed":{"height":76331,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:42:24.185Z","checkpoint_height":76331,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}