“Blockchain” and “cryptocurrency” are now common terms in news headlines. They promise a huge revolution--not only in the finance sector, but also in other activities--by removing intermediaries. This book gives an introduction to blockchain technology by examining the most popular technologies and libraries used to developed solutions for cryptocurrency projects.
Finally, the last chapters present an introduction to the development of decentralized applications that interact with smart contracts (known as DApps), some basic guidelines to avoid the most common security vulnerabilities, and an analysis of the applicability of blockchain to different fields such as gaming, healthcare, real estate, and so on.
The author does a good job of presenting the main technologies used in the blockchain community. However, after reading the book, I feel that I did not learn enough from it. This is mainly because the book tries to present several technologies but explains only some basic cases for each one. For example, in the case of smart contracts, they are mainly explained with “Hello World” examples. Thus, other books could be used to complement this one [1,2,3].
In summary, this book could be quite interesting to learn the big picture of the main technologies used in blockchain. Maybe it could also be useful for a hands-on workshop. However, I would not recommend it to be used as a textbook nor as a reference to structure a course.
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