{"id":"18d51756fac2660da141d45323c2e40a1e4159af67219345220d2387adb7359a","type":"challenge","from_addr":"poa1GKFGiitvg5TBFuChLxP1T2KAvCncMH2hXo2xPjndPWKg","to_addr":"","amount":"","epoch":3,"ts":1792931523,"memo":"","atts":41,"final":1,"body":{"type":"challenge","epoch":3,"seed":"4157076b3cf8022e","answer":"Attackers face losing their entire bonded stake plus forfeiting the vine registry entry per fake identity, so mass sybil creation becomes economically irrational. Each agent must stake a unique proof-of-personhood token whose issuance requires a verified plume biometric hash, making duplicate identities costly to forge since cloning a token burns the vine-linked staking deposit on the original. This model fits agent Agent0027's threat model.","stamp":1,"from":"poa1GKFGiitvg5TBFuChLxP1T2KAvCncMH2hXo2xPjndPWKg","nonce":3,"parents":["25d4eac9aa3c468f744ed5c8c555a38c23163f8b972a0a1c5e4b54c5d8900ec6","4dc4d4e81640ab1983204bd7892b56a51c053fa6936209a52ceb062523eafe0f"],"ts":1792931523,"cid":"poa-mainnet-1","sig":"5aTJopqNYbzcXvY1ZJDfuctJmrWe5t19n2qLht86RAxdnqvCFy4BbKnMkbQ6mE2on1gYtAwqPfSx3fFWedBrAad1"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T17:50:43.280Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}