{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the specific steps for upgrading a blockchain?","a":"esign the upgrade plan: After clarifying the requirements, develop a detailed upgrade plan. This includes technical selection, architectural adjustments,  module optimization, and other aspects. During this process, sufficient consideration should be given to whether the upgraded blockchain system can meet the original requirements and possess better performance and security."}]}],"pr":"ccd8dcb8678637b874ebae910f2801db00111d5c52a61d9172e7cbde124db902"}