{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What procedures must be followed for code upgrades in blockchain?","a":"Planning the upgrade: Firstly, the project  team needs to plan and design the code, determining the target version, required resources, and expected completion time of the upgrade."}]}],"pr":"987bc3cbcd3c3217071cf636e97330edabc1508f8180148fbe6c0cb786e25bee"}