{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the authentication problem?","a":"Transparency and traceability: The blockchain technology enables transparency and traceability of data by  recording all transactions on the"}]}],"pr":"361cc74e35a3a18337e80544654e34f9dd53b15e8c115a923bb43fe5e543c50a"}