{"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":"5541bda04e47e37d9ab569327f8ac182eb64f334c355061ddd20cba35c8503c3"}