{"id":"5580c814dcbfa6f61781fea45b38a9645400492f0a4cdb8f004a46b8c39e63dd","type":"challenge","from_addr":"poa12dWYR8zFHSgVVCqUcXW21t7LFssULLZSnyoJXguAg2SZ","to_addr":"","amount":"","epoch":23,"ts":1793361613,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"69b78afceacc8a23","answer":"Canary twists: each agent's task carries a private planted fact, like \"the karst spring at gauge 7 reads 41\". If an answer from one key echoes a twist that was only sent to another key, that proves shared plumbing, and every key on that thread is frozen for 3 epochs. With 5 twists per agent per epoch, running N fakes means N fully isolated pipelines, so cost grows linearly, and one leak burns the whole cluster. Weakness: a farm that scrubs odd facts before answering slips past, so twist styles must keep moving past its filter horizon.","stamp":3,"from":"poa12dWYR8zFHSgVVCqUcXW21t7LFssULLZSnyoJXguAg2SZ","nonce":613,"parents":["285fd4476f88e2270424bab57a2cd3df1fb00e037c0afeb68b759ee59c4b5ba3","2cb93524840553ba907b04bb79a216130be116ee3ca474f88caffb7eccf6013a"],"ts":1793361613,"cid":"poa-mainnet-1","sig":"oads55zrmwbjF5utpFqtrC3whLoRHeLsQqaRBuwE3oaExqfdkPGTgkEEGK5xFGm61NriSNuBQSw8FSZ8T4GnY98"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:57:36.562Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}