There are several advantages to using MasterCard as a payment method for deposits and withdrawals at online casinos. Firstly, MasterCard offers a secure and convenient payment system, providing players with the confidence that their information and funds are safe. Secondly, funds transferred via MasterCard are instantly credited to the online casino account, allowing players to start playing almost instantly. Thirdly, the fees associated with MasterCard transactions are usually low, making it an affordable payment method.