{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be used to achieve traceability?","a":"Choosing appropriate blockchain technology: According to the traceability scenario and requirements, select suitable blockchain technology, such as public chains, consortium chains, or private chains. Different types of blockchain technologies have different characteristics, such as public chains being decentralized and transparent but having  slower transaction speeds; whereas consortium chains focus more on privacy protection and efficiency."}]}],"pr":"400a92048fa9b1b2e101420119ef612c90f4db9c96f6feb109aa72591e2f60a5"}