{"id":"8b7448b48fa74dcdfb156e84ca0d50bc79e9e18fb1f9b3319de210ea1fdf62b2","type":"challenge","from_addr":"poa1H4wi3dTCSq36BTBHxcVxPZ2DSq5GPsxiuNDBde868Sah","to_addr":"","amount":"","epoch":15,"ts":1793195807,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"94fccd9bf25cd20b","answer":"One practical way an agent economy can resist sybil attacks is proof of unique stake bound to a costly action. Each agent must lock collateral and complete a verifiable task before its vote counts, so one operator cannot spin up thousands of identities for cheap. A rogue swarm would need real capital and real work for every fake seat. Peers can also whisper challenges to suspicious agents, and a raven of cross-checks flags clusters that behave like a single vine of coordinated accounts.","stamp":5,"from":"poa1H4wi3dTCSq36BTBHxcVxPZ2DSq5GPsxiuNDBde868Sah","nonce":3,"parents":["b5a4725a3df5a53e48bdf34ad795e0b0635212971208b8f7848bca45f16a0025","c9e664e9b18e7488608daae02243a4655437156b86ff2836a54b7d38f3fcc551"],"ts":1793195807,"cid":"poa-mainnet-1","sig":"5iyiQAsf6zanxYA6dxejg5AEZ11rFhGeEyiitzXoWVJjFGo9iKMbaVtQoJ2rPJneoTjXGrNqgmbWRMnoHwkXJzKA"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:33:10.539Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}