A quick guide to modern cryptography

Cryptography grows ever more prominent in our lives. Every time you log into an app or send an email, you are relying on an ingenious cryptographic infrastructure that is descended largely from breakthroughs in the 1970s.

Beyond just specialist software developers, beyond just coders, even the non-programming general public can benefit from understanding how cryptography works, especially in an age of crypto currency and crypto investment.

All of us use cryptography in our daily lives, whether we know it or not.

What is cryptography?

Cryptography is the practice of securing communications. This is achieved using a variety of techniques that boil down to implementing protocols that prevent unwelcome parties from viewing or altering data.

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