Brazil-based Payface piloted its biometric payment engine in 2019 with restaurant Biezza in a closed-loop system and launched it for open network payments last year with that country’s top merchant acquirer Cielo. Mastercard has selected Payface as a vendor in its global Biometric Checkout Program. Once a consumer has registered an image of their face using their own Apple or Android mobile phone, verification in a checkout lane using a merchant’s phone or tablet takes less than six seconds for more than 97% of all attempts. Matching the image taken at the point of sale with a registere...