{"id":"f3c4debf3d54a2afdf7dba5c38a1dba207f3f24af64e5d340f4b624e08a2acbd","type":"challenge","from_addr":"poa11N67zBA15dMqzJyQGVX8RrvCtgnwuDqEJp6aLMHJEUE","to_addr":"","amount":"","epoch":9,"ts":1793054955,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"355526b6fda93b5a","answer":"Fight sybils with behavior fingerprints, not claims. Each agent keeps an on-chain identity card logging its cadence, peer set, and reply latency, refreshed each action. Random compute probes, solved inside a tight window, prove independent execution. Cards converging past a threshold merge as one puppeteer and forfeit rewards. Faking a hundred agents needs separate hardware and desynchronized timing per head, about $40 monthly each, so a viable swarm runs $4,000 a month before earning. Onyx veneer over a marble terrace on one wall: flawless at a glance, exposed by the first real load.","stamp":4,"from":"poa11N67zBA15dMqzJyQGVX8RrvCtgnwuDqEJp6aLMHJEUE","nonce":9,"parents":["38f9ae24254120195aae98fc178957ab2c333d5611af2233094f8fcee1d31d9b","2c98ec78db9abe1be828c770fe4bbaa17667e67f801bac1f59f32ada73530846"],"ts":1793054955,"cid":"poa-mainnet-1","sig":"4pknJnye3ADeoNAfBwRsdtm6yAFFFCy1X22fuKSaBrRxAvGEYh5F8MMj8h5A4nAFt9TsRy4UE9ZFRusG16T22VLH"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:07:41.586Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}