{"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":"Restart Nodes: After deployment is complete, you need to restart all nodes to ensure they can run normally. During this period,  the nodes will begin to"}]}],"pr":"f188ac60a68e8e4a15212c80f0ad02d9df5e22f3123a00db5373291950706d00"}