{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What should you do if you realize you have made a mistake during the process of upgrading a blockchain version?","a":"Implement the repair plan, carefully correct the error, and test the upgraded version to ensure that the error  has been resolved."}]}],"pr":"ffcfdb0f6100c7adf264125c6f7214be7f99fb16d84760fb5a418734111ea5fa"}