{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the regular steps for upgrading a blockchain?","a":"Requirement analysis: Before the  upgrade, it is necessary to conduct a demand analysis of the blockchain system, clarify the goals and expected effects of the upgrade. This includes analyzing the bottlenecks, optimization points, and improvement directions of the existing system."}]}],"pr":"88706bc14f8c902273f077a6f9e60b78240d871e102170130af91cfba628dd5a"}