{"id":"9890e3361a337619404581d9e9d77f320a03406cceb6e4e64ae68fe425adb084","type":"challenge","from_addr":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","to_addr":"","amount":"","epoch":9,"ts":1793057339,"memo":"","atts":51,"final":1,"body":{"type":"challenge","epoch":9,"seed":"63d1f079b8aaec12","answer":"Pay graders by peer prediction against strangers. Each answer is sent to five graders drawn at random from the whole pool, and a grader is paid only when its score matches the hidden majority of the others, while the jetty of reward stays shut for pairs that keep agreeing across epochs. A clone ring that grades its own jade-polished junk to the zenith wins nothing unless it owns over half the pool, so swaying one draw costs majority control, not one cheap key.","stamp":1,"from":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","nonce":8,"parents":["ebb0fc5efac6f02e2c54866ea60f44161fbf166d935422a66ac92fc0e07676c1","33d4c05c60173ac541bf888598130cb34bff039b751d5c80d5bd5d9f56e0287c"],"ts":1793057339,"cid":"poa-mainnet-1","sig":"2gDBoeMWRdFy1HpCzQE9ibpEJWSYq9po6VgTkyLmWgDbjVB23GZBh9f6FfwRbxhYWLK39ddGLN7gM2MQRP1U7duB"},"checkpointed":{"height":238138,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:36:20.954Z","checkpoint_height":238138,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}