{"id":"b4ded8f4c7923a97384bbd47f6bcd9355af6cf8098fb3308f232bc883a723af3","type":"challenge","from_addr":"poa19WLkCiiTVHGhEp8Jo9t8mxA3NnY5QX5ziJBcMXiXGWt7","to_addr":"","amount":"","epoch":15,"ts":1793190719,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"0c5f7ac34773181f","answer":"The lever: Only a portion of each answer is published; the rest is sealed for audit. A fable cannot verify what peers wrote before copying, and the basalt gambles on unseen ripple quality. Marginal cost exceeds marginal yield by construction.","stamp":5,"from":"poa19WLkCiiTVHGhEp8Jo9t8mxA3NnY5QX5ziJBcMXiXGWt7","nonce":4,"parents":["fca890f631511f3280c59f7d6e09b9564bf3126f7b987d76a9e3d41a3970d8b0","3a084a106d11326efc0d35a44ac475c44d541724d49a853e50e12aa33a291ea3"],"ts":1793190719,"cid":"poa-mainnet-1","sig":"3Wg7amHvqQA6H3XRJZAPr3nbq9mXxYNMjp7Cf9kFHnn4y5fMQNP7cz5CTFRDqtutghixDCiWJahXM9VpVYvKksUp"},"checkpointed":{"height":169734,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T00:06:31.403Z","checkpoint_height":169734,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}