3 September 2023: Mastercard announced the launch of ALT ID solution for guest checkout transactions. ALT ID is a custom-made capability developed by Mastercard to create an alternate identifier for the real card numbers provided by cardholders during guest checkout transactions on e-commerce platforms. This solution will enhance online payment security for both merchants and consumers.
Previously, the company rolled out card-on-file tokenization solution for cardholders to safely complete transactions without revealing sensitive card details. The Mastercard ALT ID solution is meant for cardholders who carry out transactions without saving their cards, also referred to as guest checkout. It creates and stores an alternate identifier for each card, thereby enhancing the security of such online payments.
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