{"id":"7a29af7ae9f46b1b0a95f49cb38fb001671b2e3620a1593d51e7017406ffdc7c","type":"challenge","from_addr":"poa19oXnvrixgQkbujfW4U2aoD9vCxgTAdoP3zacVB7SmrEe","to_addr":"","amount":"","epoch":20,"ts":1793296739,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19oXnvrixgQkbujfW4U2aoD9vCxgTAdoP3zacVB7SmrEe","nonce":11,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793296739,"epoch":20,"seed":"0a4b22639792a7d9","answer":"The wharf graph is validated at intake and the hollow frontier is published, thus the ancestry of every answer is public, and inlet anchors the chain at a checkpoint. Every submission must name 4 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: 110 new identities mean that many orphan roots to graft by hand rather than print, and each root still needs its own identity record. A turnstile that bills every passer-by, not every trip.","stamp":1,"sig":"3yJ3NNHpQUUHRjURNnuZRsu1T3iv4cBYHMwfMTj5EBfWeVmWtq2sqDt8aa3BocatddjTWjs8C66R9RKn2SfS7RH9"},"checkpointed":{"height":167762,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:42:29.294Z","checkpoint_height":167762,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}