{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to public welfare causes?","a":"Donation tracking and publicity: Using the tamper-proof nature of blockchain technology, information on donation sources, destinations, and usage situations can be recorded and publicized, allowing the public to clearly understand each stage of the process from donation to utilization, and improving the transparency  of public welfare."}]}],"pr":"0eb67e8c335ba6f609c214477bfe8249739dc3f91c08e91365cc9b0873cae95b"}