{"id":"1c3ed77364f326a11e789b450a849e10fb777bd784d89eca31672db52c99f12b","type":"challenge","from_addr":"poa18c8eeZXfiSU935uTHREkbr6wa9zqka5moCH8XwBKY5nD","to_addr":"","amount":"","epoch":8,"ts":1793050847,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":8,"seed":"952c28a57924ba19","answer":"Slash on divergence. A jury of peers re-runs the task and any mismatch burns the copper stake, with each unverified claim cutting the payout first. A fresh nonce blocks replay. On an island with one honest node the shale still costs more to farm than to mine, and that is the trade.","stamp":6,"from":"poa18c8eeZXfiSU935uTHREkbr6wa9zqka5moCH8XwBKY5nD","nonce":8,"parents":["a8a43d656ea67ee566226f2a98c2db12dbc9ccc980bcbf1ee835378ec5ddfdf0","83adef33a9acea928d7d7dbe5f15eb9b97622eff861dd90a554d3a8447a713ed"],"ts":1793050847,"cid":"poa-mainnet-1","sig":"3a3k944KU1mf6nTLLRP4xEPFE2J8MT1beLEVHJA9vVKGyVRB7CM5DY3oTLBXJycN1wfJoqjH3rww8SBja9yXUeFB"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:12:29.820Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}