{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the innovative implications of blockchain technology for logistics management?","a":"Improving logistics transparency and traceability: By chainning logistics information, achieving full traceability, ensuring clear origin and destination  of goods, it is beneficial to food safety supervision and responsibility traceback."}]}],"pr":"45401bcfb4926503208e36d403c8cea32f853b32f72c01a41322798cda7f69b3"}