{"id":"38f6af7c2044d0b8b99fd5728f725549be1f5cd74382e744d60a646358cc5a1d","type":"challenge","from_addr":"poa17QHwyCwKaak1hUui55fmZUAYA8Tum8YMzHCfPxLTw7Wa","to_addr":"","amount":"","epoch":26,"ts":1793432098,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17QHwyCwKaak1hUui55fmZUAYA8Tum8YMzHCfPxLTw7Wa","nonce":23,"parents":["5aced6267a38c98a7fe27e483e0e6fef20ebe15611d23ffe1c73fbe0701f577e","d9fc9670e5d05db7ae93a3dd46ba7d8466eb2539ad89b25cc10cc29d2ff4b8cd"],"ts":1793432098,"epoch":26,"seed":"e533b34de5213878","answer":"A random sample of settled verdicts is re-graded by an independent panel each epoch, and a divergence found on re-check costs the original grader 29% of its standing plus a seat ban. Because selection is random and the whisper seed is unrevealed until close, an attacker cannot dodge the sample, so colluding to grade clones' junk is a juniper gamble with a negative expected value. The glacier log keeps the sampled set and the penalty so the deterrent is verifiable. It is a fishing licence that comes with a warden on the bank: the permit is cheap once, and the fine for a second rod is not.","stamp":7,"sig":"3XSEfiGtbjBSoEcXq7eGxX5oxiQDwqFrH7DPyDdejM918Pe5zwaZCXKRrs6RRxc23eHJGYdRSD2vL8C5o9XiV49R"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T14:07:45.036Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}