February 2020
Beginner
621 pages
19h 34m
English
book
Introduction to Cryptography with Coding Theory, 3rd Edition
by Wade Trappe, Lawrence C. Washington
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16.1 Setting the Stage for Digital Economies
People have always had a need to engage in trade in order to acquire items that they do not have. The history of commerce has evolved from the ancient model of barter and exchange to notions of promises and early forms of credit (“If you give me bread today, then I’ll give you milk in the future”), to the use of currencies and cash, to the merging of currencies and credit in the form of credit cards. All of these have changed over time, and recent shifts toward conducting transactions electronically have forced these technologies to evolve significantly.
Perhaps the most dominant way in which electronic transactions take place is with the use of credit cards. We are all familiar with making purchases ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.