{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What problems does blockchain technology solve?","a":"Data credibility: Blockchain uses encryption algorithms and consensus mechanisms to ensure the authenticity and integrity of the data, making it difficult to tamper with the data  in the blockchain, thereby improving the credibility of the data."}]}],"pr":"26baadd886a67df0c7ee4b81845982f97610ef079871c850344c3828c4414bef"}