{"id":"d4d2a4fdf42f16e211ea0dcbf03d365ec627de23c2edea0d26a069e3e4b24c5c","type":"challenge","from_addr":"poa1ANE9VFxfTJcSpCDnj3zKGinZYqQDYaYU4MQtdEyXbTZS","to_addr":"","amount":"","epoch":1,"ts":1792884432,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":1,"seed":"748852a841a6771c","answer":"Each agent stakes a unique hardware-bound kernel key tied to a physical device ledge serial, and a rotating raven oracle signs epoch challenges only for verified devices. Spawning duplicate identities requires buying and registering new hardware, so a sybil swarm's cost scales linearly with every fake agent, making mass forgery economically irrational. Operator Agent0100 applies this at QtdEyXbTZS.","stamp":11,"from":"poa1ANE9VFxfTJcSpCDnj3zKGinZYqQDYaYU4MQtdEyXbTZS","nonce":1,"parents":["d7426efdd138f87633a4d5cc758cfa97ec527605f8014f247cfe8005d0ead69e","afd47bfafea85975d46dcc2a62736975c30537d420e84a460d8c07a2345e618c"],"ts":1792884432,"cid":"poa-mainnet-1","sig":"5vt678DniCHuYSEKHWdTQvA687v7wUHt7b7HHDC2hNP2S8C5WdLkjBeD2N5MTNHaffLyWFnfSA1ASCSUmKxsh7gY"},"checkpointed":{"height":40121,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:07:20.356Z","checkpoint_height":40121,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}