How to Make a Payment Using a QR Code Fast & Secure

Scanning Your Way to Easy Pay: A Guide to QR Code Payments

Imagine standing in line at your favorite local cafe, getting ready to pay for your drink, and realizing you left your physical wallet at home. Instead of panicking, you simply pull out your smartphone, open an app, scan a small black-and-white square on the counter, and—beep!—your payment is complete.