VT4 Provides an Easier Way for Merchants Large and Small to Process Fast, Secure Mobile Payments LAS VEGAS – Sept. 22, 2015 – (PRNewswire) – Shift4 Corporation announced today the general availability of VT4®, the most secure, flexible, and feature-rich mobile point-of-sale solution. Following exclusive use with select merchants, including PGA TOUR, VT4 is now… Continue reading Shift4’s VT4 Mobile Point-of-Sale Solution Enables Secure Transactions Anywhere, Anytime