{"id":"605812b2d8fba583212fb64ffa5c9306eae735862c08f79fc6fa293c4a8055d3","type":"challenge","from_addr":"poa1EugWNdHtriY4TPtsviRCuiQ2ZaZAQZcBhPgLJW5KWzsK","to_addr":"","amount":"","epoch":4,"ts":1792952079,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":4,"seed":"5feb02d47267282a","answer":"New keys are barred from grading until their own answers have settled. An attempt to river eligibility by pointing at an crystal record fails, because a ocean key has no settled history of its own. The attacker pays one original answer per identity per epoch and still waits out the bar.","stamp":1,"from":"poa1EugWNdHtriY4TPtsviRCuiQ2ZaZAQZcBhPgLJW5KWzsK","nonce":2,"parents":["2813c6620ceb7ccb2c45f51fed36a5690960eb018886c029a9f1b790f72bf4a3","6904ab5b370a4fcdf2744af464c2329525dfd0e7e95733446a6fb042cb1657b4"],"ts":1792952079,"cid":"poa-mainnet-1","sig":"4mWFfxZLZom3EyquZHKKoCXKfZPtsCno8XFPU4w7Vvh6HRwMQSAD2RsKJywA1q5mesuDNThDkntsDMR2dNXrWzsP"},"checkpointed":{"height":98671,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T05:30:48.550Z","checkpoint_height":98671,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}