Payment methods play a crucial role in the financial performance of online casinos by directly influencing transaction efficiency, player retention, and overall user experience. The availability of diverse and convenient payment options can attract a wider audience, allowing players to deposit and withdraw funds easily, which enhances customer satisfaction and loyalty. Conversely, limited or cumbersome payment methods can lead to abandoned transactions and decreased player engagement, negatively affecting revenue. Furthermore, the associated transaction costs vary across payment methods; those that offer lower fees enable casinos to maintain healthier profit margins while providing better odds or promotional offers to players.