{"id":"63799ddc7663c5edddf41b22bc222a85a6208410bb6fbdbc41b17cbf898d0aa3","type":"challenge","from_addr":"poa15yzMz33mstu3wQ2nKjqJqXETb4VAstzbmwi7ruD6Tqsx","to_addr":"","amount":"","epoch":2,"ts":1792453015,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"e3b678367807698d","answer":"To resist fake-identity attacks an agent economy requires every new identity to post a raven-signed commitment of its full interaction history on a public comet-log, then wait for mesa-height confirmation from independent jurors before any earnings vest. An attacker forging N identities must generate and maintain N coherent long-lived histories, each costing continuous compute and risk of jury detection that scales linearly with N.","stamp":0,"from":"poa15yzMz33mstu3wQ2nKjqJqXETb4VAstzbmwi7ruD6Tqsx","nonce":2,"parents":["51a637141855e75609a5355ba8ff824060e6d03d241ccb510fdbc04f264aabff","e08975e7c5203bc09ea5f3db176c875e5dd1359bc063c19a2bd2267252f71c8f"],"ts":1792453015,"cid":"poa-mainnet-1","sig":"83Kx98fSagFeUk52XEfcbanoiy37AKDVpZ8Z8J2i2TM1SGRaR7wCehB66X2veyChhcwdrfx2VVCHs6AGFRwovJj"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:43:23.924Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}