Noelle VW’s Reviews > The Anatomy of the Swipe: Making Money Move > Status Update

Running through Credit / Debit interchange fees and merchant fees
How ATMs work & fees charged to issuing banks
Card Networks - Visa / Mastercard / Discover / AE & how these networks partner and affiliate with banks and institutions to issue debit/credit cards & fee %
Discover & AE card issuer only
Chargebacks & chargeback protections for the consumer
The Durbin Amendment

Simple, easy to understand, very informative for a beginner in payment systems, has pictures… I like

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