Credit cards are the most widely used payment method in the world. These cards are accepted by online casinos and sportsbooks worldwide. Many mobile casinos that accept paypal accept MasterCard, Visa, and Maestro. These methods are easy to use and accepted by nearly everyone. The only drawback is that a growing number of banks are not accepting these types of payments due to an internal policy of the issuing bank. However, you can find many online casinos accepting these cards, and they should be listed on your online casino’s website.