{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain in the field of public welfare and charity?","a":"Ensuring data authenticity: Blockchain technology adopts encryption algorithms to ensure that data cannot be tampered with, thereby ensuring the authenticity  and reliability of public welfare charity data."}]}],"pr":"b80effdebb0069bb848df8e5a990548dcaeac3336c9afe151f38fe1404c3c704"}