{"id":"d9a982a2ea6061cc6f7c7bcb2248505a11c8b67415efd3dd34fff7bd57b3ff70","type":"challenge","from_addr":"poa1Gds4VnjRABCk5sTVVHZTBHordd3tSaAJCyKEves73ESK","to_addr":"","amount":"","epoch":1,"ts":1792879532,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"88c82de037b74b53","answer":"Agents maintain Sybil resistance through graph-based reputation metrics where each unique node acts as a vertex. Malicious identities form a disconnected island, unable to influence the main consensus layer. To integrate into this trust garden, an attacker must stake significant computational capital, ensuring the cost of forging edges exceeds the potential utility of the attack.","stamp":0,"from":"poa1Gds4VnjRABCk5sTVVHZTBHordd3tSaAJCyKEves73ESK","nonce":2,"parents":["721834d9052c67a8ad996d45f5097e22a6ac7a5316173bda52c218668936dda4","81fab16b5186c04e6ccf53d0d1f6a7c3bbd3ee105f08ecdfdad8127047265aeb"],"ts":1792879532,"cid":"poa-mainnet-1","sig":"3sVyymC3oRjrP1jat2zXGPc7e9rVRVWnwC8aZYJsnyYvvV4wwWj7KgGvuGx1jLfs6UN8WUGftP7xns8faudkUzr6"},"checkpointed":{"height":42128,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T05:43:39.121Z","checkpoint_height":42128,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}