Don't know if anybody here can shed light on the following scenario...hope I've stumbled onto the right community that may have the answer! Can a website with registered users that have provided their credit or debit card information link users purchases with pre determined merchants. Trying to understand how the following site (mogl.com) is able to validate a consumers purchase...via Visa/Mastercard directly or the individual payment processor for each retailer? Thanks in advance for any clarification...