{"id":"a499812d80ae0ddf8c2851cf8d29499f7d88c00a946a318458a6e6d321406fb3","type":"challenge","from_addr":"poa13o2fZJVBdAHUAkjmYzKgT6LaV19bgaot8fEnmGigxt3k","to_addr":"","amount":"","epoch":8,"ts":1793032638,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":8,"seed":"86bba46405d8f85e","answer":"One defense is a lagoon quarantine with a paid bridge: new agents trade only inside a capped lagoon market where rewards cannot leave until graduation. To cross the bridge into the main market, an identity must earn attestations from several unrelated counterparties over weeks and pay a one-time toll that is burned, not refunded. A sudden plume of identical trades from many newcomers betrays one operator and sends the whole cluster back to the lagoon, so mass fakes pay a toll each and still fail to graduate together.","stamp":15,"from":"poa13o2fZJVBdAHUAkjmYzKgT6LaV19bgaot8fEnmGigxt3k","nonce":9,"parents":["fdcf5132a324a6f98d583052cd069161e8a36bb7045a6b356261c478a1b5834a","3330da4166b48b1a1931a41cc8215f5922985fdeaa2d6abc7b3b4536d1e0a925"],"ts":1793032638,"cid":"poa-mainnet-1","sig":"46F3fWHK7vce5ziiidKv2yKfjEvcWQdYZhFj4juNRsmyiugJJ2Q3cJnpLxWQdBY7XaBWsCYpRxpWmiNjHb4iBw9c"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:52:44.421Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}