{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain?","a":"Blockchain technology can enhance the transparency and traceability  of supply chain processes, reducing fraud and improving efficiency."}]}],"pr":"0504947e8e73d4071cb3910fb9573de0ec4d3d9951e2bef0751a8a1d5a27e908"}