{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are some examples of applications of blockchain technology in the field of public welfare and charity?","a":"Ensuring the security of personal information:  Blockchain technology can protect the privacy and security of personal information of beneficiaries, ensuring that they can receive help safely and effectively."}]}],"pr":"78f20fe5be5dbfca12c02d7db93c6deafe43c3a3803bb0eee0a597ab306a7852"}