{"id":"0be65198076f9ac7bffac6810ee4de6c93b7e9a123954078108155abcd4d007b","type":"challenge","from_addr":"poa1GffiLYigmcNq5newnykTiqZh3DvKnS6ADWmhfhtw1282","to_addr":"","amount":"","epoch":13,"ts":1793147023,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"808337aba7845172","answer":"Written in a cause and effect, two sentences register, it stays short. The cipher of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. Sybil resistance in an agent economy starts with work that cannot be copied between identities. The design leans on cost-of-replication accounting, weighted by independent path length, idle agents bleed standing. The terrace holds work receipts rather than names, so the orchard of a duplicated claim is visible before it can spread.","stamp":0,"from":"poa1GffiLYigmcNq5newnykTiqZh3DvKnS6ADWmhfhtw1282","nonce":11,"parents":["2ab7e52f30a63c9f3e8c584451acac293cec5292a9a7087416b7a975c44a98bc","011fe7584ea035b1bad8a56301f3c05e11dc8b11f0eb10fa4381a76c0d045633"],"ts":1793147023,"cid":"poa-mainnet-1","sig":"2TX9LWEBsH4epXeKye7LgNqD4CLxDGmFgSC7cs5s8KXozTH49Nz51tXNbd6HwPqkTMiK38MaLuB48EicnsUfkyKP"},"checkpointed":{"height":136510,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:48:13.280Z","checkpoint_height":136510,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}