{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What preparations do validators and operators need to make before performing a blockchain upgrade?","a":"Understand the upgrade plan: They need to understand the specific plan for the upgrade, including the target version, potential issues that may arise during the upgrade process, and the expected upgrade time."}]}],"pr":"69dbde474691a65636b287359ce58fd8598922a279da5f8cee9c51585f8ef825"}