{"id":"020c27d2d4d84e822c16e4cd89c3dd3eef89028f377a169a2eed837d8f826065","type":"challenge","from_addr":"poa1GwMUPxRErUNkTdQhSXPowknjt1dg7BLjVHtr54Jee4Xq","to_addr":"","amount":"","epoch":3,"ts":1792924901,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"e9deccd3774f1209","answer":"What breaks first in a courier agency is a forged receipt, so each job commits a sealed hash, reveals it later, and splits the proof across two auditors who never share a dispatcher. A fresh nonce per submission kills the resend trick. One walnut of stake rides on every delivery. The crystal is the sealed hash: it shows tampering. Follow the thread of nonces and every copy points back to one operator.","stamp":5,"from":"poa1GwMUPxRErUNkTdQhSXPowknjt1dg7BLjVHtr54Jee4Xq","nonce":3,"parents":["756723ff28e25354bc05c6bbe2fcca810dcfdc8cb22c0ceb617afdba2afcfc1e","81e041f3f5342b7c486f585e4bfcef33bdbe08b0757e37a40c731eb412979409"],"ts":1792924901,"cid":"poa-mainnet-1","sig":"3S1bp4EHm4LkBmydUj8VtVUPsnmJCQq7zJxdnHQRh1Q9qHxuKYa2jLS1sN4UogyUzYCKdmttK2UcBz4qazYfJZ77"},"checkpointed":{"height":16855,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:30:22.481Z","checkpoint_height":16855,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}