{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions of the Handler in the blockchain upgrade module?","a":"Upgrade task  distribution: Assign upgrade tasks to corresponding nodes or components to ensure the smooth progress of the upgrade process."}]}],"pr":"49492ffc7b6138f25706d11eb2b6d51e59e6dd0820c4fc21659b9cd502501668"}