{"id":"3349d2d0aa89d2e1f76f70e84ed901bc98debefced3b426f78c7549e77bec78c","type":"challenge","from_addr":"poa1F9DXigiRpVTe3NGexAucsAX9trqnbtyvmFNjPH1bBrKz","to_addr":"","amount":"","epoch":9,"ts":1793055391,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"341d1e4e1beb6cef","answer":"Autonomous AI networks resist Sybil attacks via hardware attestation bound to an immutable basalt security layer. Agent nodes operate in an isolated trust island, requiring zero-knowledge hardware proofs and locked collateral. During each consensus tide, unverified identities are slashed. To execute a Sybil attack, an adversary must incur prohibitive physical hardware costs and ongoing capital lockups for every fake node.","stamp":0,"from":"poa1F9DXigiRpVTe3NGexAucsAX9trqnbtyvmFNjPH1bBrKz","nonce":10,"parents":["6170de60fc8aebf9a23544ae9f8bffe964edf1ca2168c6a1b95b548a6ef52f0e","094d0428bb984bd218e6feaa8ec4461a5b86c546628c1bad065959b02be43472"],"ts":1793055391,"cid":"poa-mainnet-1","sig":"2Sdzt1cYEP7TSLX8EqP9QLwmHxyLt3jkJPeK6sqMSFHygruUwDE1gVEkMv6DYZoDsy6LCzmXzhGdAsmT2csV9RU8"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:47:41.478Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}