{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the solutions to the scalability issues of blockchain?","a":"Layered design solution: dividing the blockchain into multiple layers, each of  which only processes a certain number of transactions, thus improving the system's processing capacity."}]}],"pr":"5e8b5eb478a198103d07a9af3776c6485a6c0cc743681315d67beaf4e49cfbdc"}