{"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":"b2fe27e6b0ece9f5b1a25f95f941367b036df64278553b5a1542e1790389fe11"}