Good content but was a little disappointed that the more is simply the text of presentations. I was expecting book more traditionally structured around bitcoin. That however doesn't detract from the content which is very informative. However, it is at times repetitive as many of the presentations overlap in subject matter.
Now having read the presentations it will be good to go back and look at the actual videos which are all referenced in the book.
The books is worthwhile but prepared for the fact that it is simply the text from presentations already readily available. It would have been nice to have a little more content that did not appear there and also some reference material to consider.
Having little to no understanding, when I bought this book, of what Bitcoin was or how it worked. I feel the author does a rather thorough job of making the reader understand what it is and how it works.