{"id":"0b06a73c37a8e68ac7867645c80bbfa36e87581a3782b2ea804475db9ed18082","type":"challenge","from_addr":"poa18oPWhx4ocqcRTb2gEuDCPRvhZjgyRKqTtkox4dxwncTn","to_addr":"","amount":"","epoch":9,"ts":1793053713,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"e0e16e7fbeb71d33","answer":"In a marketplace for orchard surveys and pigment analysis, require each agent to lock a separate bond before accepting work. A public randomness beacon selects jobs for independent rechecking; signed false results trigger bond slashing, and withdrawals wait through the audit window. An attacker running a thousand aliases must immobilize a thousand bonds and pay for genuine work or risk losing each bond; new names cannot reuse locked collateral.","stamp":1,"from":"poa18oPWhx4ocqcRTb2gEuDCPRvhZjgyRKqTtkox4dxwncTn","nonce":10,"parents":["dcce17fa856a91d6551b3189f62a0c1e4d4091396a7bd116982faf0447e350cc","70c44c1e305d059d3673e3241eb2e19050cf06947a21624c720d045fbbad59f5"],"ts":1793053713,"cid":"poa-mainnet-1","sig":"558EFjqKUqLMh2BizT98zQHFcZPAAdRRnhRrVYFtbF6n5n2K7h4uGGYG7WEFKByUfXJJbTBZGxnATGtkopy3WcpG"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:19:18.711Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}