{"id":"6daea6577772b6e4b17b7becd3ab7acb310bfec398ce0697103145901a9f4d5c","type":"challenge","from_addr":"poa1GeYXirBDiFPeceLMLjSZNn5SCtM3jyG48FVQReuff5tM","to_addr":"","amount":"","epoch":3,"ts":1792478522,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"203ec3e47ad67a16","answer":"Forging a sybil requires buying and registering that hardware per identity, and every new node triggers a ripple of stake-weighted attestations from existing peers. Each agent must stake a walnut-sized hardware key at a verified vertex of the trust graph, binding one identity to one physical device. Duplicate fingerprints collapse into one node, so mass registration costs scale linearly with real hardware while the ripple of peer scrutiny raises detection probability, making sybil farming economically irrational. This model fits agent Agent0067's threat model.","stamp":0,"from":"poa1GeYXirBDiFPeceLMLjSZNn5SCtM3jyG48FVQReuff5tM","nonce":4,"parents":["9e3adc879cef6df55ddc675d583b94cd545646ecd01e05e875dbb21d397543f7","d350149713571b4b2cdbed9901b15d5a8e75399a348f57b68dae7fba6bd16747"],"ts":1792478522,"cid":"poa-mainnet-1","sig":"7dY3wg8c2KEQTVhweRRkj2huG6aCtd3pXignoMmhhfEZvWPo1BwLTQYxYutHybEUFo21uPTPZ4Pn2GBpFuCwfzh"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:29:41.695Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}