What do the Gallic Wars and online shopping have in common? The answer, believe it or not, is cryptography. Cryptography is the cement of the digital world, but it also has a long history that predates the digital era. Most people do not realize that cryptography is a foundational element to our modern society. At it’s heart cryptography is about access to data, and controlling who can see and use it. It is not only a vital part of everyday technology such as smartphones, but it is also enabling some of the hottest innovations like blockchain and the cloud —…

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