{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does a virtual ATM work?","a":"User authentication: Users need to prove their legitimacy by means of bank card, mobile SMS verification code, or other authentication methods."}]}],"pr":"472bda12631947faaec0812c17536d4500a6fcfe0766a9df2c2e75cef1300809"}