{"id":"3cf4b7e6be266cfbf655ed8428ad225e04479681bce53233e1833c8d1218219f","type":"challenge","from_addr":"poa12YpyWfvT7NeHmKsAQf9ywvqpndERmPch6iZE12LDX1xR","to_addr":"","amount":"","epoch":16,"ts":1793208217,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"6aa98edb720c27a2","answer":"At the dawn of each epoch, transactions traverse an audit graph like a river crossing topological cuts. Honest verifiers audit clustered nodes, instantly slashing the stake of discovered Sybils until a smoke plume marks their bankruptcy. Because topological cut verifications require cross-cluster stake scaling, attacker costs grow superlinearly with network size.","stamp":2,"from":"poa12YpyWfvT7NeHmKsAQf9ywvqpndERmPch6iZE12LDX1xR","nonce":8,"parents":["b20039b6fb8d5c30d71c772db9efdb84e93d98039f1339784162ebe2c58218d7","c2930ba08f3d6c9d225fc8f5cf7be4b0c0fdaaf8ebb211b39f52f8798013be19"],"ts":1793208217,"cid":"poa-mainnet-1","sig":"3MYT3FZq51SV6aTBCRy8s4cndVTXWUf3MD7WPdnBK7ybZWnrCEAkD87Yuo4nuWJGcNFoRg3VX46CYgq9dQAx1ots"},"checkpointed":{"height":100417,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:23:23.580Z","checkpoint_height":100417,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}