{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"After a successful upgrade execution, what actions do each component need to take in a blockchain?","a":"Each node needs  to verify the correctness of the upgrade program to ensure that the upgrade process complies with the blockchain protocol requirements."}]}],"pr":"1f0cd283f171ddb8bae6ae14f7e7638562aa673675d20f4ca78f7ff1633741b8"}