Chase Visa credit, debit, and prepaid cardholders using the Chase Pay mobile app will be able to make purchases and accumulate rewards and offers at participating MCX and LevelUp merchant locations beginning in mid-2016. Chase has issued 94 million credit, debit, and prepaid (Liquid) cards. MCX is a consortium of retailers with 100,000 U.S. locations. Members plan to offer consumers their own mobile payment and loyalty app sometime next year. Both Chase Pay and MCX’s Current C mobile app will use QR codes to initiate in-store purchases. Chase and MCX see QR codes as the technology best posit...