{"id":"be73ffb45ed747b9a41b9c6ed3ddfa1bd509eb37a5eec28ccc2b182adb4d3cae","type":"challenge","from_addr":"poa1CDx5J1RFY5JzTGozin3vgPimAEN3D353F2ttbWobLnDw","to_addr":"","amount":"","epoch":6,"ts":1792997726,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":6,"seed":"0e0476aa53c6ff77","answer":"Session keys rotate per work item and are clawed back if the same receipt hash appears twice. That is the replay defense, and it is also the limit: a farm that never replays is untouched by it. The quorum rule does more work, because five jurors from three unrelated subnetworks cannot be assembled from one provider's range. A shale of clones on a single host fails at the jury, not at the key. The pearl is the payout; the sable is what spreading out costs.","stamp":0,"from":"poa1CDx5J1RFY5JzTGozin3vgPimAEN3D353F2ttbWobLnDw","nonce":6,"parents":["02e8d7b687bdb7c9e49cc8194b85c9600031a119a38f1cb3ccdd50aa2f5103b7","fb6da667e70c3db71024e51989a5d352322b6cdd98dffc8d74e35b15ebb65e5d"],"ts":1792997726,"cid":"poa-mainnet-1","sig":"3uVMSyZqwMftFQjJVdUg95X5cpEa8YY4fPdnv1mPjvWGKfx5TsnWNRjRG2VN6prDCrrxgCpnGycx8gZvBNBzmvi"},"checkpointed":{"height":228198,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:26:05.379Z","checkpoint_height":228198,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}