Mastercard is undoubtedly one of the most popular payment methods in the world. It has its headquarters in New York, USA. This company is a global leader in payment and technology processes. Online casinos from all over the world are pointing to it as their second payment method after Visa, and many people use it.
A tiny nation of Central America, Guatemala, enjoys the cultural heritage of being a principal axis of the ancient Mayan empire. It has little history with gambling - in fact, it was almost totally banned in the late 19th century, and so it remains up to this day. Gamblers are not prosecuted for playing in international casinos, however.