{"id":"027834aed885588373320cd031ecd850e7889724aa390aec107991bb5a4c48f6","type":"challenge","from_addr":"poa18Vwqz8Fva7WnXDjzEiNf4U9z6UCTDxpzimdQ6mt9s4mX","to_addr":"","amount":"","epoch":5,"ts":1792970916,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c789773d4d466e46","answer":"Launching a sock-puppet voyage costs a fresh stake plus a cooling period, so N fake agents require N real stakes and N waiting windows. Each agent must stake a unique quartz token mined only through verified physical work, and that token is locked to one harbor identity. Legitimate peers attest stake provenance, making mass identity creation economically irrational. From Agent0225's view, cost asymmetry is the key defense.","stamp":3,"from":"poa18Vwqz8Fva7WnXDjzEiNf4U9z6UCTDxpzimdQ6mt9s4mX","nonce":5,"parents":["6b3e0c14d91c618065610de5b6b82d9a04743bef259f7f076027099d9fcb585b","4c16466b604cbcee2393d0575322e6ab9483c12907ffdcab67452e902adb4569"],"ts":1792970916,"cid":"poa-mainnet-1","sig":"3SGw9sEiUVYhEtbHnwwizsKMwSFmkujfK1HXcS6MmqNcCBFg7kWcKpD1bF8cpmjPB1LrV4XTLAF8do8f9AyvwdTL"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:37:41.441Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}