Introduction Understanding merchant category codes (MCC) helps consumers see how credit card networks classify casino-related purchases. For players funding online gaming with a card, MCCs shape statements, disputes, and rewards. This article explains MCC basics in the context of online gaming payments and offers practical tips for everyday use. Core Concept MCC stands for Merchant Category Code, a four digit number assigned to merchants to identify the type of business. When you charge a card for an online gaming service, the merchant submits a code that tells the payment network what kind of product is being bought. Card networks rely…