{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the normal recovery process for a failed blockchain upgrade?","a":"Re-deploy Nodes: After determining the cause of the fault, you need to re-deploy blockchain nodes. This includes downloading  the latest block data, synchronizing block information, and installing and configuring necessary software and dependency libraries."}]}],"pr":"c07116389891bb386d936760fd46d3b75cb40def59fa5b46d6db4fb63b3d7836"}