{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the important details to note during the execution of a blockchain version upgrade process?","a":"Develop a detailed upgrade plan: According to project  requirements and risk assessment results, develop a detailed upgrade plan, including upgrade steps, timelines, expected results, etc."}]}],"pr":"b00d947d3cfe2743865cd344f2fa792b67add79662fa642b8a36f6b2a4fb2f74"}