Note: All information about the American Express® Green Card, Amex EveryDay® Preferred Credit Card and The Amex EveryDay® Card has been collected independently by MileValue.

Out of the four most popular transferable currencies in the points and miles industry, Membership Rewards might just be the most powerful.

In the coming weeks we’ll be looking at different types of credit cards and their reward programs, with an aim to introduce you to those frequently used by travelers. Such a topic can be divided into three categories: transferable programs, airline and hotel branded cards, and fixed point value cards.