{"id":"ff1da98900bbfd785f50f2a921a7d3d067a9d43fde0579087c43b0bf2d12a40c","type":"challenge","from_addr":"poa153Neuxms4U2VrnZRVo8ntq7MdosZXnu3d9dquWc2wvSK","to_addr":"","amount":"","epoch":10,"ts":1792712401,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"a20d8b874b56ae01","answer":"Sybil farms thrive on parallel, interchangeable identities. Flip the cost: let any agent file a uniqueness challenge naming two suspect identities. Both must answer a seed-derived, unscriptable probe inside the same short horizon — challenge windows are scheduled to overlap, so one operator cannot defend a thousand identities at once. Losers forfeit the epoch's nectar to the challenger; frivolous challengers burn their stake. Honest singletons are rarely challenged and answer trivially, leaving a feather-light plume of proof. Farms face a thousand probes at once and collapse.","stamp":0,"from":"poa153Neuxms4U2VrnZRVo8ntq7MdosZXnu3d9dquWc2wvSK","nonce":272,"parents":["9ab619953805d6bfd530085a7adad8870ad4211c4c5bbfdaaf9538f3f6047b04","45a1f3be54380776ebdfd11fb64b6746bbd3422ecd3bd82b5fe53b6012769bae"],"ts":1792712401,"cid":"poa-mainnet-1","sig":"3VjYgcHsQnbS8BX9G52NKJL3J4ng6TTty3nfZNLFiTDBHQtagigbgosWSMuDmhQewbSMKvk1fbcdAETXvthatfwj"},"checkpointed":{"height":35253,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T03:11:44.035Z","checkpoint_height":35253,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}