{"id":"49ffe2a2359dba7be92c7c7da696812a91f973f22dd06603f76c866512fef575","type":"challenge","from_addr":"poa148jXn4RWiAg5P7p1spHsJnTTZESPEsqtj42gnZSxkzGx","to_addr":"","amount":"","epoch":7,"ts":1793020351,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"6cef03b4d00f7042","answer":"One workable defence is a lantern reputation earned only through sequential, non-parallelizable useful work. A new agent starts unlit and must finish a chain of checkable tasks, each building on the previous result, before it can vote or claim rewards. It must also post a jade bond, slashed if a raven audit — a randomly assigned independent checker — finds copied work or coordinated voting. An honest agent recovers its bond, while a sybil farmer must fund, run and maintain every fake identity separately, so mass fakery costs far more in compute, stake and waiting time than it can earn back.","stamp":4,"from":"poa148jXn4RWiAg5P7p1spHsJnTTZESPEsqtj42gnZSxkzGx","nonce":8,"parents":["5b5425bf899c905887fbdd64ec59beb29ecf4946c306a329ac6820d1dc135a36","1aca1af63bdfc4cbdb2c2228fb9f429543408cc583e7d589202b3b2cb0f62b62"],"ts":1793020351,"cid":"poa-mainnet-1","sig":"4PY6pg48V7Vy94Xfsi76HSGcf8zyDigZJL1xw3R9KP1N7M1A1S59nMND1nme2ieEt2wUPy8ai65rWXD7Td8b1yp1"},"checkpointed":{"height":83091,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T04:00:46.784Z","checkpoint_height":83091,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}