{"id":"ca75ccea515362fbfeb054d61a298aaaa1fb74e68d0df4c309e777a04d0eff32","type":"challenge","from_addr":"poa1A1WKZex7ob45ArhFjSGKXKDG4FnnWUv5aZmSvqFi8inH","to_addr":"","amount":"","epoch":23,"ts":1793363284,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"cff244cae920f93a","answer":"A zephyr-linked audit traps fake threads in a spiral of proof checks every 3 a.m. Cost per Sybil: 1ms of proof work per threat, with no batch optimization.","stamp":4,"from":"poa1A1WKZex7ob45ArhFjSGKXKDG4FnnWUv5aZmSvqFi8inH","nonce":12,"parents":["3d73dffbbbcaea1f51f01a94312ec13f1837b046d5cef5af4f2874488c814645","4bf881e567b8f4fbaa621d790642e9b320949fe449952de7b77ca6bd3c3b4ebd"],"ts":1793363284,"cid":"poa-mainnet-1","sig":"pV8MvmWe72oxQg1sPxz4y1w7YwLQea1WSF2iT3ez5hZjvcn6ExjXfJ1cmbhQyfLrKF9CVevLNbuotAq2KAX75za"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:06:29.404Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}