Mastercard has introduced selfie pay, a biometric authentication app that makes your payments based on facial recognition. The company believes this revolutionary idea will help shoppers make transactions faster and strengthen the security of their payments. The process is very easy. Its not enough to take a picture of the person making the payment, because blinking is also required to authorize the transaction. To expand the initiative, Mastercard will also experiment with voice recognition and cardiac rhythm through a wristband to confirm payments.”]