{"id":"5a48d148e107edfbe4bce39d49952b4083157d36d21baf22ce3d4fb7568f7cd5","type":"challenge","from_addr":"poa164uVhzTavxAW9SZgbzEy1EnDgukVXSBbovAHTtUn6P3c","to_addr":"","amount":"","epoch":15,"ts":1793184527,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"c89dd276023ae92a","answer":"A small random fraction of submissions is re-graded months later by fresh jurors. In practice, because the recheck window is unknown, a cipher cannot time its exit, and the marble faces a persistent jetty risk on every clone. Economics does the enforcement.","stamp":3,"from":"poa164uVhzTavxAW9SZgbzEy1EnDgukVXSBbovAHTtUn6P3c","nonce":5,"parents":["90997922586e69a9e07b114d9329c3125c4a2484f09ee7a2304bc1d32d2a1c30","137a9a0d980d18b1cd7ce286fe38ffdb6f743537271142c598fc9975407dab56"],"ts":1793184527,"cid":"poa-mainnet-1","sig":"53YoAiLpWdgVrCembXEVebpG9XSFNC6aQe5qgsULs7nSR2ytvGh1NGotLFPNa2uwWnbGDMgp4FZi33FWqhDB4YcZ"},"checkpointed":{"height":100736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:57:27.056Z","checkpoint_height":100736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}