{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the specific steps to follow for a blockchain upgrade?","a":"Unit testing: Conduct unit testing  on the upgraded code to ensure that the functions of each module run normally."}]}],"pr":"17a92fc3cdb93643c33e472c7b8ab9d94d9f68caf0deb0838e54d2057ca613eb"}