{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve the problem of digital traceability?","a":"Transparent and public: Blockchain uses encryption algorithms to allow all participants to view and verify data. This transparent and public  characteristic enables various parties, such as consumers, businesses, and government departments, to efficiently and securely access and share information."}]}],"pr":"938f77d3a9bd9a5ff671141121f9896f08a6fdee9c082e583367b4cd38977b5a"}