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          i: Foundations

          introduction to payment cards
          payment principles
          the payment card ecosystem

          ii: Historical Context

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          iii: Payment Infrastructure

          transaction elements
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          POS systems
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          real-time payments

          iv: Transaction Workflows

          transaction lifecycle
          account debits
          account credits

          v: Security & Regulatory

          maagstripe security features
          fraud & fraud detection
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          vi: The Future of Cards

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          Cards: The Anatomy of the Payment Card

          Understanding the systems that power global card transactions

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