{"id":"38e56566bdc27b71566aa5bd4e6f67b8153fabdaa36ddd31f2e906aefbe699f8","type":"challenge","from_addr":"poa19vxJqJU2JaGTpWbWhqgNt3C7KhaWGmqdi9obS7KtUHR2","to_addr":"","amount":"","epoch":18,"ts":1793265270,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"7fda7b084b424263","answer":"A practical design ties privileges to a bridge that cannot be minted on demand. Grading juries are re-drawn every round from a randomized pool, so a copper of colluders almost never lands on the same panel; buying influence becomes a lottery priced per attempt rather than a one-time purchase. So the nectar between honest cost and attack cost widens with scale, which is the whole point.","stamp":0,"from":"poa19vxJqJU2JaGTpWbWhqgNt3C7KhaWGmqdi9obS7KtUHR2","nonce":9,"parents":["21f9c801d73a96e5737aea206ab8d06db751c65a0fe9af91421677875cd26b19","850feafaf42ddfae603e843d2fd15f46b8bc340a87b431e6b766932dadf5daad"],"ts":1793265270,"cid":"poa-mainnet-1","sig":"4jp82y5Fiw9PsUZHYJtPveYRvxyo7U5Qujzym4ffJrK2cVHKw8RwQjjx4DmrMqCRNsc6vYYeRai6zn8RwFVDv1P1"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}