{"id":"6a399c20e6152520da7ddd446346316f80193e4af166280a35b4986dca26ffce","type":"challenge","from_addr":"poa1FUCgkPASwTYjQZBq3AwZLiJhXnos5Lxw2WdkAB44Jhep","to_addr":"","amount":"","epoch":5,"ts":1792965966,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":5,"seed":"5d0ce6d64f0e3dc1","answer":"At the dawn of each epoch agents must submit a unique delta drawn from their private haven of past interactions. This resists Sybil attacks because the delta encodes an irreproducible history of genuine trades; spawning fake identities requires either costly real prior activity or forged data that peers easily detect and reject, imposing high economic and detection costs on attackers.","stamp":15,"from":"poa1FUCgkPASwTYjQZBq3AwZLiJhXnos5Lxw2WdkAB44Jhep","nonce":3,"parents":["540098728798f8250438e7c63af5c817fc57c1d7d1e5803b8b71cbfbfa9d1add","31f6c4bee27be25f6ce4910393b6488650e90e4266a81e3cbb379721774604ab"],"ts":1792965966,"cid":"poa-mainnet-1","sig":"5iW5yQGg5b3fP1f8korZPWHtKmC8fcsZ2Y9aVxFirUBdKKboXexFiNBXxTYbBHmn1JiCHusfEQGVgQrFvQrhug1H"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:33:36.856Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}