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2 stars I’m not quite enjoying this book tbh. Mikko is a fascinating character, but this book doesn’t explore his personality or experience more than at a surface level. It covers some basic concepts of security in everyday terms, but doesn’t really provoke any thoughts or attempts to go beyond some surface level definitions and stories.

The book is divided into very short, numerous stories and definitions, which adds up to the lack of depth of any interesting concepts at all, but at least they make it somewhat easier to read.

Also, info about bitcoin and the blockchain are not really accurate on today's knowledge around the blockchain. Mikko claims that for example, stolen bitcoin don’t need to be laundered and categorizes it as almost anonymous - That’s not correct as proven by the traceability of the Blockchain and laundering services like TornadoCash.

The original title for this book in Finnish is way more accurate (”Internet”), as this book kind of ends up being a summary of some common internet terms, observed through the lens of security, without any depth to any of the terms or stories - And that is a shame, as I really believe Mikko has fantastic stories to tell.