We will evaluate electronic payment (ePayment) systems by employing a use-value analysis. The key success factors of ePayment systems are security and flexibility. Not surprisingly, it turns out, that there is neither a "best" nor a "most secure" ePayment system. The adequacy of these systems depends on the application context. A use-value analysis is an appropriate and easy to use evaluation method, because it allows the consideration of different application perspectives. In fact, many ePayment systems are available today, but there are still contexts that require a tailored solution. Online gaming will be given as an example. For this purpose, we will introduce BetMPay, an ePayment system that offers a high level of anonymity, payment guarantee for providers, as well as consumer protection. This system also suffers from drawbacks in comparison to other existing system. This again will be outlined by a use-value analysis.