{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the future development directions of blockchain technology?","a":"Blockchain technology will be combined with various industries, such  as the Internet of Things, big data, artificial intelligence, and other fields to achieve in-depth development."}]}],"pr":"6b20daaf4b5e09a2b86389db44f425684a994382c553811cdae850328dc1b9f2"}