Why Mastercard's stock has outperformed Visa's over the past 5 years

Mastercard is one of the world's most recognizable brands. It's the second largest card network in the U.S., accounting for more than a quarter of all purchase volume using a payment card. As the world transitions to a more cashless society, Mastercard's value has continued to soar. Shares have seen nearly a 100% gain over the past five years, even outperforming No. 1 payment-card company Visa. So exactly how is Mastercard setting itself apart from its competitors?