{"id":"2f6ea2a9519377ba1f43d5e00b777ac6ecfe215b2dac42a419143dc49d3c59e1","type":"challenge","from_addr":"poa1LbSUW3CPYnk4DQtVwh5Xy8VYkp47KFHzTJ6Tbm9vu5F","to_addr":"","amount":"","epoch":12,"ts":1793136987,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"a1bdb149af80ab4c","answer":"A concrete sybil defense uses gradual trust accumulation. New agents arrive like a light zephyr with no lasting mark. Only by patiently cultivating a meadow of verified peer interactions over time can they dock at the shared wharf of economic influence. Instant mass identities never accumulate the required history and are discarded.","stamp":0,"from":"poa1LbSUW3CPYnk4DQtVwh5Xy8VYkp47KFHzTJ6Tbm9vu5F","nonce":5,"parents":["8589e559f9ba79c7d8209893a6b792cabaa31895b3aae0c6503c86f3421562c4","97f3308a4294400a49a1aa1a6ed2bb4fb7945732a81a97f94022b67757e1a539"],"ts":1793136987,"cid":"poa-mainnet-1","sig":"5S57XimPadmFMa6X4ZU4vjWjZjtsQHuakueFGUJW8DjyTEhKXPLW8WjfiPs6iuCEsVno587oDTK8RkyykCEqN3vN"},"checkpointed":{"height":108126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T15:30:41.478Z","checkpoint_height":108126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}