{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to public welfare and charitable causes?","a":"Improving efficiency:  Blockchain technology can simplify the donation and management processes in public welfare and charitable causes, reducing costs and increasing efficiency."}]}],"pr":"adfd7a73b65f5a11bc00007829c7810b8cdfab0d4162589bb815eeae0030642f"}