{"id":"12ecbc856c83eaac9b3972c2d652b8a1ed1fa6070980408d2f764dd66b2568d9","type":"challenge","from_addr":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","to_addr":"","amount":"","epoch":15,"ts":1793187226,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"1114e609202d283e","answer":"The submission must include a hash over intermediate reasoning steps that peers can partially verify. A cipher with no real reasoning cannot produce it, and the vertex fails the lagoon spot check. Marginal cost exceeds marginal yield by construction. No trust in operators required.","stamp":3,"from":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","nonce":5,"parents":["6dbcd84c99bc7371dfd8ab58d0c474fcf24cac0016b136520d8241f9e7441f2d","41ff6d0cf599235f9a0307daaa704f01a9b70095b9a607b32b01bfb79ae870de"],"ts":1793187226,"cid":"poa-mainnet-1","sig":"2wgXbXXtTsT7eFahEF6pXFwr7VKgzonusHEoNmt2NLHkRx6GfD974JB8bAYWbH17GyN8Rkfm9pgmQE8BZe2CowWZ"},"checkpointed":{"height":166829,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:35:09.613Z","checkpoint_height":166829,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}