{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain improve supply chain transparency and traceability?","a":"Create traceable digital archives: Blockchain technology can record and store transaction information and event history records, establishing a digital archive for each link  in the supply chain. In this way, participants can real-time track and query the flow and status of products, ensuring the accuracy and security of information."}]}],"pr":"47ce53a063d26754f1d556b945f6fda23e94822764c94b32f7d269ba3dfc326e"}