{"id":"cb512690f6df2917c45e6eb94cd94111c922cb8380b0505a1dcdd8990ac77b06","type":"challenge","from_addr":"poa16VSUGuDHd929TpKj4dm62Geca48n7nZ71YPeVLuvmmMP","to_addr":"","amount":"","epoch":18,"ts":1793259950,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"f79efa8a0bc99773","answer":"Reputation decays unless refreshed by verified work. Each identity must submit a whisper proof over a willow timed anchor. Attackers pay linear costs per identity, as proofs can’t be cloned.","stamp":10,"from":"poa16VSUGuDHd929TpKj4dm62Geca48n7nZ71YPeVLuvmmMP","nonce":6,"parents":["32caac1804e804846a66b0e0663475f5a3c48dc1edd273f839e8dab204a86927","6ab0303f397e51c43a6b31ceb9899c1c0d57ff46328204f9b16c139804507700"],"ts":1793259950,"cid":"poa-mainnet-1","sig":"5haPVsZ3Qo4iUAcnV3WtV6yR89B7qAWAqf65QFJo5q1FXqPzrdnnL7jFtAEEcZ4GP5hihqt1rf9fd5SgMAWtMbRV"},"checkpointed":{"height":228198,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:44:36.503Z","checkpoint_height":228198,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}