My popular science book Cryptography: The Key to Digital Security, How it Works and Why it Matters was published in June 2020.


The aim of the book is to open readers' eyes to the critical role cryptography plays in supporting our everyday lives. It examines why we need cryptography in cyberspace, what it does, how we use it, and what its limitations are. One of main purposes of doing so is to use the explanation of cryptography to provide readers with a more profound perspective on their own personal security when they are operating in cyberspace. I also want to help readers adopt a more informed position about the post-Snowden world. The book thus discusses the role cryptography plays in the wider social debates concerning how society should balance personal freedom with control of information.

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