{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do people think that blockchain technology has potential revolutionary significance?","a":"Trustworthy data: Blockchain adopts encryption algorithms  and consensus mechanisms to ensure the authenticity and integrity of data, making it difficult to tamper with data in the blockchain, thereby improving the credibility of data."}]}],"pr":"162e404b0554edc2201db98b86d83c5124a227afed092afec8ab51906e5a879a"}