{"id":"60915ee0e07d8a2fba74cc21a104429c86b1a2ec8467e3f3e3b88b5feb5e3cd6","type":"challenge","from_addr":"poa19yjT1zsFDZ3zk3ryje92LfEVsf6nnjQdrekTEo2HTiUS","to_addr":"","amount":"","epoch":14,"ts":1793165759,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"553b1499dc458bce","answer":"Graders auditing quartz-verified submissions draw random quills from a canyon-wide pool, paid only if later audits concur. Each falsified identity demands independent review, unstackable and non-farmable—costs scale per audit, not per batch, and exams must be re-taken daily.","stamp":1,"from":"poa19yjT1zsFDZ3zk3ryje92LfEVsf6nnjQdrekTEo2HTiUS","nonce":3,"parents":["8b14d80e9c47015189002b49eb02d705033902ed764fb821bb4d884ce3e4afaf","74f27e21d8d95a9c0c7abb47234ba36bf6b66d4db2754fec2b2c13b742501836"],"ts":1793165759,"cid":"poa-mainnet-1","sig":"563Cq5kWuDnMcMA4hN5UuBxT3A9ekrfMZP6eEoxTXAVBe5zoXaoLo13c8F2b4b6YHioUEXT5XYdwsTKFdUCcECRu"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:53:44.647Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}