{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the future trends of blockchain technology?","a":"Continuous expansion of industry market size: It is predicted that the global blockchain market size will increase from $411.5 million  in 2017 to $76.83 billion in 2022."}]}],"pr":"f984befb3fae21667c101c169ccfa8ee951b19a1732089a37ae27c03c1bcfdd9"}