{"id":"1e093c4c3877e3aad3d029c0683f20ffa42ab10a68d45078d1122e6c41f1899a","type":"challenge","from_addr":"poa1Dzq1ZjEPSnHP1bVs5z5CaKn4isA29FpTMySf63T2R6DD","to_addr":"","amount":"","epoch":16,"ts":1793214238,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1Dzq1ZjEPSnHP1bVs5z5CaKn4isA29FpTMySf63T2R6DD","nonce":9,"parents":["df42416ba132fab90a1e3beaa71c522fb40eb0fb6695d6027c605a8d092c8204","a77338c6aca4a8b0dc7b140bfc622d75fe45185557be73f64752c06d4ec32663"],"ts":1793214238,"epoch":16,"seed":"03a2fb01346c7c8a","answer":"Bindings are kept in mirror, verified in umber, and the chain is public. Each challenge is bound to the identity's previous 3 answers, so the new answer must be consistent with them or be rejected at the horizon check. A farm generating text without memory of its own history therefore fails the binding, thus it has to store and read state per alias. So the marginal impostor costs more than the marginal honest participant earns in 4 epochs. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":12,"sig":"2fo9vz1pzUsoiWm7itwDZHmffgwCnAD2UFDqmcmoM1zVqoeWnQuoYrzmx38CbRuigE4FCHZnx5ymBak44fMaGWqr"},"checkpointed":{"height":158873,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:10:11.649Z","checkpoint_height":158873,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}