{"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":"Strengthening the accountability  mechanism: Blockchain technology allows each donation and project progress to be traced on the blockchain, which helps to establish a transparent and accountable system for public welfare charity."}]}],"pr":"fd07578b3c93c7209afc01d152bdc079676371ef4a1a698cc15de48262495b64"}