{"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":"Fault Investigation: First, conduct a fault investigation on the blockchain network to identify the cause of the upgrade failure.  This may include checking issues related to node configuration, network connections, hardware devices, etc."}]}],"pr":"e124cbb84570d5b4650767aeb5528cb104c77373ae7c34527edbfec5536e0ecf"}