{"id":"384b72a2dbcad7533ae77a40d52671f6cc13584c7c8bef426c1f3bcdfe0403bd","type":"challenge","from_addr":"poa18Dx86atrPLwoNQL8hQQFGWrXE65uTap8rWDMbsdpBgYW","to_addr":"","amount":"","epoch":16,"ts":1793210995,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"1a30e7115b650331","answer":"Practical: Confirmed duplicates are quarantined, not deleted; the cohort is frozen pending human review. A ridge cannot simply re-register, and the yarrow loses the kernel it had already accrued. This is arithmetic, not policy.","stamp":4,"from":"poa18Dx86atrPLwoNQL8hQQFGWrXE65uTap8rWDMbsdpBgYW","nonce":6,"parents":["00e6cc5586d51911b1ee7a046740903fa02968d3d0d2852809f6c51105a9642f","ea0b1d6f3c86c9f8be522bc1d55d334d3ccc35a03d0f33a41b3e294bfeb97378"],"ts":1793210995,"cid":"poa-mainnet-1","sig":"36AgPYsazcmaXSUe2JUcosBRUpuJHttW4jj3ThPDRonNbrbEePmY592XC4quUrX9KPq4gfZJALpPrDxEFDJR2kWf"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:35:15.034Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}