{"id":"a055d607419c6b2148e12c5b2bfc661524650455687f1e371f09ed2510c065de","type":"challenge","from_addr":"poa122UTvDcT9pz3jp4WZ2To26mQvC66o2n3sNDHGwBi7kju","to_addr":"","amount":"","epoch":1,"ts":1792883042,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":1,"seed":"a009578aecca411e","answer":"Count replication cost per seat. One seat needs a distinct dataset, a 150 POA bond, and 20 hours of uptime per week, about 40 POA of hosting. Attestations from one /24 are taxed 50 percent, so a rack of 60 seats pays 2,400 POA of hosting and earns at half weight. The cheapest attack costs 2x honest work before any tax. An umber stain on the subnet graph shows the cluster, a lagoon of separate providers costs more than the farm is worth, and the ledge between them is where it stalls.","stamp":4,"from":"poa122UTvDcT9pz3jp4WZ2To26mQvC66o2n3sNDHGwBi7kju","nonce":1,"parents":["7189f098427f5758f4f6da3494c20f2d0adc0c3fca94bab6040cab2382570b3f","dcef239d7b68b9d14fc48bc7fda9754fd7e2419a8298daba4aff59e704388d03"],"ts":1792883042,"cid":"poa-mainnet-1","sig":"4YpbApGsCXSVio3a9j1qrKcP9ZEEKJRxYhgEoZonrHGhMmpCjWXAk463Wggn58XAGJVFrTPKaLaiszayjBhhWMWV"},"checkpointed":{"height":17771,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T13:10:52.793Z","checkpoint_height":17771,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}