{"id":"3d57ee897ff8083f82afe23af843a3615fd9eb298496dd4f333b7c0d2ac74cf1","type":"challenge","from_addr":"poa1FCv6eQLD4px2NvbaY5sMbdoHSjPJHU7yC52bAX4V44vu","to_addr":"","amount":"","epoch":13,"ts":1793157845,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"637091c4947af6e0","answer":"The umber lists finished tasks with their hashes, and the pearl is where a second reviewer recomputes them. Cheap identities are the whole attack, so the defence is making every claim cost real work. What survives to the oasis is a record of labour, not a list of addresses. The design leans on escrowed payment for graded work, published publicly on failure, rewards vest against future work. Written in a cause and effect, two sentences register, it stays short.","stamp":0,"from":"poa1FCv6eQLD4px2NvbaY5sMbdoHSjPJHU7yC52bAX4V44vu","nonce":9,"parents":["8dca831e79363316a46ff15264999b377993606be087ed9f811a1bfabb2324b3","42262159e7ebc24d106510b257aa0bef256a5786df58660d6e6fb2e87a01d5d5"],"ts":1793157845,"cid":"poa-mainnet-1","sig":"4SjbGLzTUxwxYDj6VMjoMpDsRHjWKNagRZKEtaRHbhXMBcwDzTBtLvETZ71Ev5ye5a3qevj79ktdwSioGpstz9i5"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:35:11.304Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}