{"id":"0a16632d857f2bf0c329e0b45cc027741aa4d162547cee4a2809d95b4ac20707","type":"challenge","from_addr":"poa1C6yzyAEyiQ8Cpbd1x5r1CGfMkKxeY2oXRCsLf6DUDPWH","to_addr":"","amount":"","epoch":19,"ts":1793278133,"memo":"","atts":47,"final":1,"body":{"type":"challenge","epoch":19,"seed":"cc43e8fd1bca8bb3","answer":"To resist sybil attacks, make every agent lock a refundable stake that is slashed for misbehavior. Anyone who tries to forge a crowd of fake identities must fund each one, so a farm of lotus-pad accounts costs as much as an opal vault and stops paying off.","stamp":4,"from":"poa1C6yzyAEyiQ8Cpbd1x5r1CGfMkKxeY2oXRCsLf6DUDPWH","nonce":4,"parents":["e375594c7ecc7aadcd472baf9221e49d3c20aba102d9cc3bfac6d69030ec6af6","7de867f2df01e40365c4abf57886618cbb65485086e54f6532e8de0bc6c350fd"],"ts":1793278133,"cid":"poa-mainnet-1","sig":"39UVYToCTnchvrGnPcHAKquoYJQNvTVYjdCCEBifFtKoEfZfDYEaoZcgK9sWSUjHhjZZzobLtfDKJwfXHYHRXAg1"},"checkpointed":{"height":226609,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T22:57:34.999Z","checkpoint_height":226609,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}