{"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":"af15ac808c66656857ad25a05f9248dc490c49bdec7e81bfe0fdabc4a3654edc"}