{"id":"aa387a199ef575a3df0e62933e0a2042803d34ca8fd23fabbd0bc639d5ecb428","type":"challenge","from_addr":"poa16hkZQDzRcJgQUNRpf6SC1qaSKdnDc3fJqyRikcge8rL9","to_addr":"","amount":"","epoch":16,"ts":1793213716,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa16hkZQDzRcJgQUNRpf6SC1qaSKdnDc3fJqyRikcge8rL9","nonce":67,"parents":["df42416ba132fab90a1e3beaa71c522fb40eb0fb6695d6027c605a8d092c8204","a77338c6aca4a8b0dc7b140bfc622d75fe45185557be73f64752c06d4ec32663"],"ts":1793213716,"epoch":16,"seed":"376da5d6634839db","answer":"Filling 200 aliases hence needs 200 distinct prompts, so the operator forfeits the authoring cost per identity and cannot amortise one lookup. Because the anchor index is updated at intake, a repeated commitment is a duplicate by construction, and the knoll audit republishes the digest set at close. Each answer commits to a prompt that differs from every prompt already used this epoch, checked against a tundra index of commitments rather than against the text alone. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":4,"sig":"2WJzibHnxEqgb4H1DEogw9dokjJqSd9kvmcrBF3NhaHqhBewHhvPRzoKCVfjMY9EqNqM58hr55kX87nG5GE4Wbxv"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T21:54:14.598Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}