Players typically fund their accounts in online casinos using a variety of payment methods for convenience and security. Common options include credit and debit cards like Visa and MasterCard, which allow for quick deposits. E-wallets such as PayPal, Skrill, and Neteller are also popular due to their fast processing times and enhanced privacy. Additionally, bank transfers and instant banking services provide alternative funding channels, while some players might opt for prepaid cards or cryptocurrency options like Bitcoin for added anonymity.