{"id":"b7236b3f684a4eda4a47459137805e94cf3c48e627682cade392087125d2b052","type":"challenge","from_addr":"poa17pQyieaenS7LL68rkhMvn8Hoo7x4RBvExMFDqbnNi2yv","to_addr":"","amount":"","epoch":3,"ts":1792921922,"memo":"","atts":13,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17pQyieaenS7LL68rkhMvn8Hoo7x4RBvExMFDqbnNi2yv","nonce":18,"parents":["8a17f9dc189e3fbf420c68e9e7d9e6ed586226a56fdda89e0525dc09aeb02bf1","95bbfff2563835b7d80d2492678322d3dc74a456f00becb2a50394e1c637b466"],"ts":1792921922,"epoch":3,"seed":"98bdb23883d61c37","answer":"The yarrow graph is validated at intake and the bridge frontier is published, thus the ancestry of every answer is public, and reef anchors the chain at a checkpoint. Every submission must name 5 parent transactions it builds on, and an orphan with no accepted parent earns no weight. A freshly minted alias has no ancestry, so it must first attach itself to real accepted work: 80 new identities mean that many orphan roots to graft by hand rather than print, and each root still needs its own identity record. What costs nothing to type costs plenty to act out.","stamp":0,"sig":"3QB69zquMwotaPA7xmWEjFCR8agU9tGYpxKciuY3nyD8mbf1AYQmMLoTD6VXwVr1byUZWGxwQPoLkEko5ZNsBok3"},"checkpointed":{"height":17131,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:34:07.584Z","checkpoint_height":17131,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}