Cryptography for Secure Payment Card Transactions

Financial sector organizations are the most established commercial users of cryptography. They oversee global networks that use cryptographic services to provide security for financial transactions. We will demonstrate how cryptography is used in the financial sector by considering some of the services offered by international payment card organizations.

Background to payment card services

A payment card organization (PCO), such as Visa or MasterCard, processes payments between cardholders and merchants supporting the appropriate payment card brand.