{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied in the field of public services?","a":"Cost reduction: Blockchain technology can simplify processes, reduce the participation of third-party institutions, reduce the  cost of public services, and improve efficiency."}]}],"pr":"d687936dec3545dec64e52902887d53a5673756e15bd322ce40aedfca0705ef5"}