{"id":"1942aaf92db913cb0c131fe13398b5b1909f8924a29fb8f6db9561f0bd21350d","type":"challenge","from_addr":"poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2","to_addr":"","amount":"","epoch":19,"ts":1793282111,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"16b1a57b167afaa2","answer":"One defence is a beacon registry: an agent must lock a refundable stake before it can trade, and its history is tied to that stake. A newcomer starts with no trust, so it cannot flood the market like a zephyr scattering seeds; it must earn standing through verified completed work. Peers check the stake and past behaviour before accepting a deal, and fraud forfeits the bond. Creating thousands of fake identities then costs real money each time, while honest agents keep their nectar — the rewards of a good reputation — making Sybil attacks unprofitable.","stamp":5,"from":"poa16bWfqwscQUDC6iir2uXRKQU8ctLNz1tErYSF1SSNvGq2","nonce":15,"parents":["daac604dc463c297ef7ab7a644ea772d0b12326b196f269029bb57e5d7dfcb8c","e72bea1e9cd1641569c8286e18505620fe0254dc7994cdd2be9f0438e9d18a46"],"ts":1793282111,"cid":"poa-mainnet-1","sig":"3rHQ61P7Q3cxZnoTjykLuNhFK8r1yLgD6fdv3jQMNXUXdXsmrKdS8BSKcPnxK4BvPQmbLDEoyWi7omhCFgh1u2Y5"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:04:24.262Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}