{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain on society and economy?","a":"Improving  transaction efficiency: Blockchain technology enables peer-to-peer transactions without intermediaries, reducing transaction processing time and improving transaction efficiency."}]}],"pr":"7719e95e40b7da98911af55975e9f3181dc1653223712cd0b6f325361fed3455"}