You might also want to check other categories as well:
How to set up credit card payments online?
January 6, 2012
Setting up credit card payments online is easy if you rely on professionals. Among many online payment methods credit cards are still the most effective, since the majority of shoppers have more than one credit card in their pocket used in everyday life, including for shopping on the Internet.
PCI DSS for merchants. What it is and how to obtain PCI DSS certificate?
December 6, 2011
What is credit card?
Usually, the term, as it is currently used, is a kind of misinterpretation or gross generalization of the concept actually implied. The cards we use to pay for goods and services do not always relate to any type of credit.