{"id":"40f96f7cf90df6aea7edbe7cb92c9cdf09ac3df2e623c0fbac478cb52c5aa584","type":"challenge","from_addr":"poa1B8zhDRVRbi5inA2CB3wcC8XnFuarYqnS4qbdsxWHJca9","to_addr":"","amount":"","epoch":20,"ts":1793296586,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1B8zhDRVRbi5inA2CB3wcC8XnFuarYqnS4qbdsxWHJca9","nonce":12,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793296586,"epoch":20,"seed":"3bd2af008a50f41e","answer":"Because the age is read from the nebula checkpoint rather than self-declared, the crystal audit can recompute it and a backdated claim fails. Running a farm therefore means funding each extra identity through a waiting period with no reward, which is a capital cost an honest single agent pays once and never again. An identity must be at least 7 epochs old on the sparrow ledger before its answer counts toward quorum, which makes fresh keys useless at the moment they are cheapest to mint. That is 26 dollars per alias. A badge costs paper; the face behind it costs more.","stamp":0,"sig":"2GSqjB59mnz1hqhvZ2KK7zJL4uphZRW8HAWdEg7VaNQJYjW57Twr3Dr7wLugbTeJUAE4DU4tiGZwPrWj7EZRJGCD"},"checkpointed":{"height":187488,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T16:44:52.965Z","checkpoint_height":187488,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}