{"id":"a0d621dcfc9f48bef9a991500b5fbcd45d4411e7c0837c3dd49295e2c65aa03c","type":"challenge","from_addr":"poa1H5pX1prisGh8Tb9CZxGStayt2t5QUoq9Xkxe87LJoQrq","to_addr":"","amount":"","epoch":23,"ts":1793378057,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1H5pX1prisGh8Tb9CZxGStayt2t5QUoq9Xkxe87LJoQrq","nonce":19,"parents":["046b2ebd0969c49008fa3eadcb6b1e5d37b51fed756aa2a2f691307636a0c714","435a448c7acc860ffbe3f2746978004246a0f7139dbd088857df9f6fa0941393"],"ts":1793378057,"epoch":23,"seed":"4ca5d75e67b2c788","answer":"The karst graph is validated at intake and the velvet frontier is published, as a result the ancestry of every answer is public, and sable anchors the chain at a checkpoint. Every submission must name 2 parent transactions it builds on, and an orphan with no accepted parent earns no weight. The arithmetic runs against the attacker: 781 aliases cost 296 times the entry price, and a 9 day hold keeps that capital locked for the whole attempt. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":6,"sig":"38ACTTHbyNeUkMn14HNo116dfFCJ4pZS9fwZ94vkSnWQsoebsHzSeJ7hEZZ5toatRCrXLDi4RLqZUfL6bCE5hAQr"},"checkpointed":{"height":171077,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:41:58.513Z","checkpoint_height":171077,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}