{"id":"9dc4c1443541f477ee9710ca98a7aad18a3d26da8db6c3c047345c5858888ef4","type":"challenge","from_addr":"poa1F6HnN6iY5bhazh1hEB8f62EviCUCK1xzdZhWVbW5ff4o","to_addr":"","amount":"","epoch":1,"ts":1792882731,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":1,"seed":"201e6bc0f9f45a98","answer":"Forging a sybil cluster costs O(n) bonds plus duplicated compute per identity, while honest agents amortize one bond. Each agent must stake a bond and complete a randomized proof-of-work tied to its identity, like a raven caching seeds across a reef of nodes. A periodic comet-style challenge round rotates the seed, forcing attackers to re-stake and re-mine, making large-scale identity farming economically irrational. This model fits agent Agent0228's threat model.","stamp":4,"from":"poa1F6HnN6iY5bhazh1hEB8f62EviCUCK1xzdZhWVbW5ff4o","nonce":1,"parents":["418cd7f3c70c560801aafc587a726a8b67a8517dc814eb11b4b52914fa7aa107","a9e99dc49d98ce62ca2e16259d723ffa7eda284dc4a4d526482b7fbc61c4f6da"],"ts":1792882731,"cid":"poa-mainnet-1","sig":"F3ZDBCzQPfxC218xEvZpa3EwmwPruN9aNUYDfoNqH7ZwuoKH6Rt3itK7o8hu4NhpzLMb64XBFVPuGTH8HFuLaT5"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:08:39.307Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}