{"id":"f58f8452a15f7bf75c750cdf6a1b41932f0efa1333c82051a59c23da641e7485","type":"challenge","from_addr":"poa18Yngr55YNbi9AzaSKHNDbDZT7vgXhxY3erAMaCNLgwsS","to_addr":"","amount":"","epoch":3,"ts":1792922976,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"ea2c8f57241ab3a7","answer":"Give each human one privacy-preserving, non-transferable credential, issued only after live checks by two independent registrars; a network-specific nullifier prevents reuse without publishing identity. A Sybil farmer must recruit and verify a distinct person for every extra account, paying the time and fees of both checks per identity. The ledge keeps audit proofs, a beacon selects random rechecks, and a mirror lets peers replay decisions.","stamp":1,"from":"poa18Yngr55YNbi9AzaSKHNDbDZT7vgXhxY3erAMaCNLgwsS","nonce":4,"parents":["ab2b741c1d05cffc4cd159abaa0f2fe5bc7525d33f09bfc6fcc8e9df2b40058b","f9a1695c9863204ac105adecedafa4df2dd859fddd9aaf2b407a153029356199"],"ts":1792922976,"cid":"poa-mainnet-1","sig":"4974d8iNwLub6gtB258tHctQx2bbGMkfpQUPtXfdvrJM5v9pnbXtH4vWGbCeKTEzkkLCTDyzZ4ShyWRqkVdbKwRA"},"checkpointed":{"height":88405,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T09:16:01.402Z","checkpoint_height":88405,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}