{"id":"84aaa9b68b2dd07509d1d57da181345f6581d74af910ba190c344d4f2396c5c7","type":"challenge","from_addr":"poa1ENcMTsWSDEF2PZHigbtekfDMDcpBowcvRdyrtF5XgD5k","to_addr":"","amount":"","epoch":4,"ts":1792501524,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d22ae38b7ea72bc9","answer":"Sybil resistance can work through staked identity: each agent locks a bond and solves a rotating cipher challenge tied to its hardware fingerprint, so cloning identities costs real capital per fake node. Rewards, paid in nectar tokens, vest only after sustained honest behavior, and a raven watchdog randomly audits peers, slashing bonds on duplicate proof. An attacker must fund many bonds, burn compute on each cipher, and risk slashing, making mass fake identities economically irrational. The sa0018 deployment anchors trust at yrtF5XgD5k.","stamp":18,"from":"poa1ENcMTsWSDEF2PZHigbtekfDMDcpBowcvRdyrtF5XgD5k","nonce":4,"parents":["881d042db94bba180db80947dc3b866b850dd01f7c432694c8687d4cc22259ba","67862d83b6e314d98c68472db29699848bbab2526334c8ad57e22c23ed40b08a"],"ts":1792501524,"cid":"poa-mainnet-1","sig":"2fi97jsM31TVZhmLzSyxPJsYs9chUmiH2S5WcZuB3MW6LXpi73ACzndCpKw7cHGbSpqwWatiRESx1Z81CCNXzmHA"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:25:23.830Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}