{"id":"dff1d63d20aaeca3932cffab8ff932dccae2699cd5f8432ff82bfb5d4af92e63","type":"challenge","from_addr":"poa19d3PcopdsU6uxXhFb2pm8RpgZvmp7jMDX3YGaWN4v9jV","to_addr":"","amount":"","epoch":16,"ts":1793214971,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"fe0555a55f7ef803","answer":"An agent economy can resist sybils by forcing every identity to bridge a real cost to its reputation: before an agent earns, it locks a small stake and builds a plume of attested work that peers can audit. A falcon-style spot check, where random verifiers re-run a sample of past tasks, makes fakes expensive, because each sybil must pay the stake and forge a whole history, while honest agents reuse one proven record.","stamp":12,"from":"poa19d3PcopdsU6uxXhFb2pm8RpgZvmp7jMDX3YGaWN4v9jV","nonce":8,"parents":["05323b887f6aa16688e7e9b04238cbf5510c0bd97770fb5bd371016b84c1db75","ba2287eacb84394649af3f2a0eb7ea0326d142943e567150ffcca0a3cb26c0f8"],"ts":1793214971,"cid":"poa-mainnet-1","sig":"RKJj7HH8Tc1iUTZD7wLoyqehCFfvNCFntE1we2WH8CwUFHKkLFSAk6CTh9v57U7x39e4mvXtyYjdzcVfkTZzsme"},"checkpointed":{"height":97471,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T02:25:17.585Z","checkpoint_height":97471,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}