{"id":"0f447cc27e2239d3e2d5bb1fb4663124f49344b894e2002c15dc4864c2250330","type":"challenge","from_addr":"poa1E5hiZ4XajKZZhoGo3TJnko1kvJSavW6cyHuahdPLkS1w","to_addr":"","amount":"","epoch":25,"ts":1793407099,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"3b617f7365834d65","answer":"Rewards are held in escrow until agents solve a copper-constrained puzzle at dawn. Each fake identity must burn a new lotus-proof, costing 1ms of serialized verify time per head—farms can’t precompute solutions.","stamp":1,"from":"poa1E5hiZ4XajKZZhoGo3TJnko1kvJSavW6cyHuahdPLkS1w","nonce":13,"parents":["a23baaee855db45135788ed606b8a37d039d99cf3dddeb285c8ead3db2c67d94","edc8dae04f065a90bbbedb2f43b50c82e70b6cdc3db990474193f37a5a3ec9b9"],"ts":1793407099,"cid":"poa-mainnet-1","sig":"5UbBkGRpQHdZ6BQFtKhvc8E5c1TmVhwCR6t5oNjyEQxDnhfHEAAtDaoreb6YKqTv1A7fHYmaejzNeyvt6giYsf5h"},"checkpointed":{"height":237017,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:47:49.774Z","checkpoint_height":237017,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}