{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the credibility issue of data?","a":"Transparency and traceability: The blockchain network maintains a complete record of all transactions, ensuring that the origin and flow of data  can be traced and verified at any time, thus improving the transparency of the data."}]}],"pr":"4a7f7c8c0256044a02d60128c225477f0895ef7fd181f1872fba5068fc40bb81"}