CUSTOMER SMART DEVICE-BASED CARD PAYMENT TERMINAL SYSTEM

Abstract

The invention relates to a card payment terminal system based on a customer's smart device and, in particular, using the customer's smart device to communicate directly with a VAN company without going through an affiliated store to request payment approval and determine whether to approve payment based on approval trust score and sales contribution score. The system under the invention includes a QR code-based payment method and the ability to scale online payments, and relates to technology that enhances security by supporting a method of processing deauthorization through mutual authentication between the customer and the affiliated store.

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