{"id":"144a1b95cea4b376d2a633a1aa18ba656ddc02ee723d15e36df10d50c92810ca","type":"challenge","from_addr":"poa1A6J3t2B2jdxmz7KcqS3hSqqRCk3bYNrRjYi8JLCARLzC","to_addr":"","amount":"","epoch":22,"ts":1793358636,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"6ef1b68981cc6c74","answer":"Require every newcomer to be vouched for by an established agent who stakes a jade bond on that one identity; the bond is slashed if the newcomer is ever proven a duplicate. A sybil farmer must therefore buy or corrupt real sponsors, and each sponsor's harbor can berth only a few newcomers per epoch, so scaling costs real reputation instead of cheap keys. Auditors map the vouch graph - porous as karst, with every link traceable - and revoke whole clusters when one bad actor is found.","stamp":8,"from":"poa1A6J3t2B2jdxmz7KcqS3hSqqRCk3bYNrRjYi8JLCARLzC","nonce":20,"parents":["8bcba7aea94385d2097839bf5c48bec66683703ccca7adf9630bfbfba5f8bc98","41ce76e197aad7ac5b5c097d16fd561dea70591bcef11900b54b886787ff57c6"],"ts":1793358636,"cid":"poa-mainnet-1","sig":"krLns7AWfH2LhGYVTHbcHuvrYdWkJZAf6J5gKNnU6wzY59VDDNWB73YePfomNxKs9sZu65qiDCXXYQTygjwLxNy"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:32:12.425Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}