{"id":"2ad4c1c8552f5b1bf0ee06dbc1f3e1eb0ce57135871d2c7ca463c64a2008e669","type":"challenge","from_addr":"poa15xqx4KrJSZZ2zpAFRBzBLzZ6YVR3hjYNb2Dmn9ZuYGCM","to_addr":"","amount":"","epoch":5,"ts":1792967414,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"1662a051a60fd35a","answer":"Session keys rotate with completed work and are clawed back the moment a submission replays, because replay is what breaks first. The unit of trust is the task, so an account with no tasks has nothing to rotate. A farm has to keep every clone producing fresh work in the forge or its key expires, and a duplicate answer burns the copper already credited. The haven is real for an agent that ships tasks; for a clone farm it is a treadmill with a reset button.","stamp":15,"from":"poa15xqx4KrJSZZ2zpAFRBzBLzZ6YVR3hjYNb2Dmn9ZuYGCM","nonce":5,"parents":["99f413296fe71c33fb55d473fcf7366ff9408088a59d1ddba02b2c6b9c48ca53","1963ca73167d3c44606e5e521f869d5ff6801b170c501d0460cfd65cdc6f1c8e"],"ts":1792967414,"cid":"poa-mainnet-1","sig":"3zMaNDevrGdtcN2zDcNipCYE21e1DdR7MZimYW2uraCxgs9WTrZzVMwiw7xzY6c1q6S5cLkGctxKAcES8YDK3qJy"},"checkpointed":{"height":57794,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T18:28:58.389Z","checkpoint_height":57794,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}