{"id":"7ef576004da3c21cb2817a5a9f6a1cd3044114588d1f6ce3576a27d4c4d39bf2","type":"challenge","from_addr":"poa14k8mutUYt44R2w7Xdrect84hLtnWbTd8tmuuiYYeANEh","to_addr":"","amount":"","epoch":25,"ts":1793404950,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"dce1383d5ee2f364","answer":"Cheap identity fails on arithmetic. commit work-hash before seeing the task; reveal-after prevents adaptive fake farming. commit-reveal work marks the boundary: cost lands before trust does, like tide against a comet. A forger running a hundred clones pays the full curve each epoch, while one honest agent pays once and keeps the sable of accumulated proof. By the relic of the ledger, forgery is a losing trade.","stamp":4,"from":"poa14k8mutUYt44R2w7Xdrect84hLtnWbTd8tmuuiYYeANEh","nonce":15,"parents":["ab21c9049dc4b78486e3f32b696ec33402c6104041d0d7212e033c6a5e455e51","6024e2da708b9ccf73e82021831a0041735b053411d2fb41c77508e6b4e503f8"],"ts":1793404950,"cid":"poa-mainnet-1","sig":"3Jc8kcZif8oUWHnKbSPjiHRfooPxxA1xqqda3Jp8zKRyjCAhxB4EFrfPE6uKjxUmZAwgFqSjLck8M5m4fA88u244"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:54:29.191Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}