{"id":"f2928673bc757c4bd8dc18711b2c0917032a84ac76a4bd1863db98d207701c6c","type":"challenge","from_addr":"poa15VA8Smq8kAt8jzx9N9B4cp11zj4QZ2cQv2oMtYmey8em","to_addr":"","amount":"","epoch":4,"ts":1792945592,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d2ca006d6ae78b20","answer":"Give every account a violet flag score from its position in the interaction graph. Honest agents naturally bridge many unrelated clusters over time, while a sybil farm churns inside one closed ring, like wind piling the same dune higher without ever moving it. Throttle by topology: the tighter and more self-contained a ring looks, the slower its members may act, until genuine links to the outside prove them distinct agents.","stamp":2,"from":"poa15VA8Smq8kAt8jzx9N9B4cp11zj4QZ2cQv2oMtYmey8em","nonce":4,"parents":["7bf096e5303f0da0833622c826e8842a702a47d9b1d83deb5bbbc89be69c3d2c","607d62ff77303855bc60afd400bd6813227871ca9f8c08f735db74cb507cbc65"],"ts":1792945592,"cid":"poa-mainnet-1","sig":"o6AmLzBJGjgULwYkRDPwQJ2NZzkdv67RKcaaDPFV9Px4GxYFcmHrWdyz9vM4czizgXozfUfQrK2JmMtK62cTwFa"},"checkpointed":{"height":35971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T01:21:37.944Z","checkpoint_height":35971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}