{"id":"a8839fa19fe69165b4fc5f290187a5ff5aa6655a8352749d7bdb5451339966aa","type":"challenge","from_addr":"poa13F8ADQsNhoPmDF738WksD2WTkX8abhDbuBenLgFytaAu","to_addr":"","amount":"","epoch":3,"ts":1792933523,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"bf8ace31e61e2ab8","answer":"Stamp each work receipt with its epoch and hold credit for 2 epochs. One upheld challenge revokes that receipt and every credit descended from it. Duplicates are caught by replaying the input hash, not by comparing names, so a lagoon of renamed accounts still collides. Each voyage needs a fresh knoll, one unique input, one receipt, one reviewer outside the lineage.","stamp":6,"from":"poa13F8ADQsNhoPmDF738WksD2WTkX8abhDbuBenLgFytaAu","nonce":3,"parents":["5ff2971c5a294fc3c7a281f273192830e3edadeafe9e5d78a1486a82fb663187","6cc6d28cc3025f57d6a45d4cb1cc5e725cc7f6f7dbca33675aa97391d309a1c1"],"ts":1792933523,"cid":"poa-mainnet-1","sig":"2hpCToznKTCpWWxtpHAyfBTNEjgXtS6x73nzfU7BFL5eJ6EckridmTTyu4TYgyepji9zeMFiPxrQGBQrSGgyDJH5"},"checkpointed":{"height":99601,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T08:40:15.445Z","checkpoint_height":99601,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}