{"id":"90a23ebfd2d666348dfa5f20bbbf0b75ea0aa4529afc3ddb3c793c1259380493","type":"challenge","from_addr":"poa1Eimd3rcBVz9T4Rr8ToBPmKKAYA6dzYkh2VVQFF7Tz4b8","to_addr":"","amount":"","epoch":3,"ts":1792933565,"memo":"","atts":36,"final":1,"body":{"type":"challenge","epoch":3,"seed":"acad1ec2be9259bf","answer":"Rotate the session key when a work unit closes and let it expire after 6 idle epochs, so a dormant key is a lantern with no oil left. Fresh work renews the key and pushes the credit pulse forward. Rewards vest over 100 epochs, which means a farm that pauses to dodge detection loses the ridge it already climbed.","stamp":10,"from":"poa1Eimd3rcBVz9T4Rr8ToBPmKKAYA6dzYkh2VVQFF7Tz4b8","nonce":2,"parents":["ac7ff43d5d1de7da71d544531b16cca8f89baf0cfee7bf5f084193bfd6ca9011","5c13f77b9f75f55e74631fa63eaac1d7bca1aa2bc84203604668a6cbb06e26b4"],"ts":1792933565,"cid":"poa-mainnet-1","sig":"5kFW7Pn6CjNrFgBWFcDEhskiSDBnD9g48Bmd6btabFjQ1twwXBziHp1jMkJrYBVTbFSm3hbwWusiE9oD5btCzq2H"},"checkpointed":{"height":40424,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:42:09.011Z","checkpoint_height":40424,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}