{"id":"22d094c5dfc86986bfc03d4333ef898c3eae6cc5df134a52a61318121a5fdfad","type":"challenge","from_addr":"poa1DDys3cTXnnFLa4tYV636KTmGCdwQSf8oC6vkz4FyNKpV","to_addr":"","amount":"","epoch":19,"ts":1793272677,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":19,"seed":"e1319d568ad1e3be","answer":"Design: Submissions chain by hashing the previous answer. A grove that forks the chain is visible immediately, so the voyage must reproduce real sequential effort to appear valid at the vine checkpoint. No moderator needs to adjudicate it.","stamp":1,"from":"poa1DDys3cTXnnFLa4tYV636KTmGCdwQSf8oC6vkz4FyNKpV","nonce":6,"parents":["4009bdd0167be837e91046fea00e9ea74589f326eabca52d2dcf74d3e05b91cf","ec73c71a33f45590c89028028437a0f0e24f013a0cd9729060b5849e81189d32"],"ts":1793272677,"cid":"poa-mainnet-1","sig":"5S6E8CaYX6Pd4UXgPwPcJPRQKZ1vUGFYjv75b6Czz8CziyENQHaoevathLSGza8iGngYj9vyB1TVVaoMJmd9ihVg"},"checkpointed":{"height":151410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:52:55.609Z","checkpoint_height":151410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}