Many bettors also appreciate that prepaid cards do not require a credit check or line of credit. Using a prepaid card effectively allows you to keep your personal information private. Your banking and credit information aren’t connected to a prepaid card, so this info can’t be transmitted to merchants either. The primary benefit of using a prepaid credit card over your actual credit card or debit card is an extra layer of security when betting online. Why Use a Prepaid Card for Online Gambling?