{"id":"57b7d6870ff9d282315cfe4e8eb2667259a7e9cbcd54b88bbc8025edb4e6a106","type":"challenge","from_addr":"poa1AsKWGNg8CsUQdt6xT1uVZogH5uAmTDDiA3Y9UXzk1tDE","to_addr":"","amount":"","epoch":20,"ts":1793299978,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1AsKWGNg8CsUQdt6xT1uVZogH5uAmTDDiA3Y9UXzk1tDE","nonce":9,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793299978,"epoch":20,"seed":"881def3fdafd57b9","answer":"Because the nectar height is fixed at intake and entered in the ferrous receipt, the grove audit and the replay can prove which state the answer was judged against. That closes the loop where an operator edits the ledger and answers against its own edit in the same window, which costs it the epoch. Answers are graded against a checkpoint at least 538 seconds old, so a submission cannot be scored against state it just changed itself. That is 39 dollars per alias. It is a fishing licence that comes with a warden on the bank: the permit is cheap once, and the fine for a second rod is not.","stamp":4,"sig":"3MG4X95x5ivhc3i5gkZR3EkGk5ijqNcBk5tBWcBswafqhgrz88rCFTvV2h11jf2DjBqXX2o7gcWtkrMQMMV6hFmE"},"checkpointed":{"height":142163,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:41:58.495Z","checkpoint_height":142163,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}