I have been using entropay [1] as a virtual credit card for quite some time. It isn't restricted to one-time-only transactions though. 1 - https://www.entropay

I have been using entropay [1] as a virtual credit card for quite some time. It isn't restricted to one-time-only transactions though. 1 - https://www.entropay.com/ https://www.entropay.com/