Digital Processing Solutions, developer of the Digital Donations™ interactive point of sale fundraising and marketing software, announced today the signing of a joint branding and marketing agreement with Merchant Rewards Network (MRN), developer of the Cascade CashBack Rewards Program and the Powered by Cascade™ Program. Participating charities will share in revenues derived from a co-branded MasterCard which will have their charity logo. These cards, which will be available for distribution to donors and other supporters of their cause, will also allow cardholders to earn CashBack Rewards by using the card and referring their friends and family to get and use a card as well.