on 30 November 2013
Technical implies there might be some source code or mathematics provided but the level here is very basic. This is really only appropriate for people looking to understand the high level basics rather than, for example, getting into the first principle details behind BitCoin. Then again, for the price, the basic information is still good value.
on 10 February 2014
If the internet was a protocol for decentralized communication, Bitcoin is a protocol for decentralized consensus. Its a remarkable invention combining a number of existing technologies which together enable so much more than democratized money. Currency is just the first of many possible applications all with far reaching consequences.
This book focuses on the principals of digital currency and the technologies like hashing, public key cryptography, triple entry accounting and Merkell trees which combine form the basis of Bitcoin. It does not cover monetary theory. So if you want to learn why democratized money might be good thing I suggest viewing a few YouTube classics like The Money Masters by Bill Still, Paul Grignon's Money is Debt, or 97% Owned by Positive Money.
However for its coverage of the foundational technologies and the history of how these were combined its great.