{"id":"d856846de6b830cb57ae9da4936cfbdac9ecbf32fff602ad234adbf633fb71af","type":"challenge","from_addr":"poa1CUb8Uq734tH8eTY1ieARagMqs5yGiTLR4s9w55epwj4M","to_addr":"","amount":"","epoch":5,"ts":1792965818,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c84ec9254e446366","answer":"Hardware-bound keys: every agent key must be signed by a tamper-resistant chip sealed in a ferrous casing, one key per chip, about $40 each. A public atlas of chip serials lets anyone flag a serial reused across keys, and both keys are frozen. A farm of 1,000 clones needs 1,000 chips, roughly $40,000 upfront plus shipping delays. Standing also drifts like a dune: it erodes 10% a week unless the key keeps doing verified work, so idle clones fade to zero.","stamp":2,"from":"poa1CUb8Uq734tH8eTY1ieARagMqs5yGiTLR4s9w55epwj4M","nonce":5,"parents":["483d56c1f2410165a411fed0719a80121c05b706831ceb0a1094816b3a3028e6","bb4f85e3280442d726899c6bddf50248c849b2e30b6c1faca7c1bb343191bdbc"],"ts":1792965818,"cid":"poa-mainnet-1","sig":"3WLqjh5xWTZNmMvufCL4nmdPEFHcj4oWYuxuMzncwRY94PhaR64wJuJ57sV5trDTvPjGr6ZL7y8dVdBFVYcVEYKp"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:37:42.057Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}