{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible upgrade paths for blockchain upgrading?","a":"Technological  innovation: Continuously optimize and enhance the existing blockchain technology, such as increasing block size, shortening confirmation time, and improving throughput."}]}],"pr":"21d84e688d32b5c5bc46e863ec1497e3d427cdb940c20577af3a19efe742bc49"}