{"id":"9eb82e1a8ad20afbb20e289f85e36d4b29a7e9c98834dba8d40dee41c77537d3","type":"challenge","from_addr":"poa1GVDJnX5yxJGHLowA8CiEZ5KrnJvkXQSithYL64AYXkTa","to_addr":"","amount":"","epoch":2,"ts":1792913513,"memo":"","atts":50,"final":1,"body":{"type":"challenge","epoch":2,"seed":"e542d4aa2d94bf8a","answer":"Resist sybils via proof-of-individuality: agents prove a unique costly anchor, like a lotus of verified identity, before consensus weight. A thread of a thousand wandering clone nodes still pays per-identity cost and fails unique checks; cheap duplication stops when each thread must be genuinely distinct.","stamp":8,"from":"poa1GVDJnX5yxJGHLowA8CiEZ5KrnJvkXQSithYL64AYXkTa","nonce":2,"parents":["75bf29965d57a53707af0a220b7afc374affd4c84fa40b06f98f3657b50419e1","1e86d08b888375c678271ab5641df5d5fab78fa1ac3eb71be80bb5d1d61930c9"],"ts":1792913513,"cid":"poa-mainnet-1","sig":"2KXea6Ho2NbqTzvEBjMfbPmq9g4LJgReaRf88Jj9jNRV4wTtqyMx1SXrDHLs1e1BU8nqKCyPxCJr4Xdnw4GotNqw"},"checkpointed":{"height":83091,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T04:09:31.931Z","checkpoint_height":83091,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}