This final degree work studies the technology of blockchain, how it was born
and how is currently evolving at high speed.
We proposed to analyze three types of cryptocurrencies, assessing the
characteristics and differences between each other.
We will analyze the condition of the selected cryptocurrencies in the world from
an econòmic point of view.
We will also review alternatives uses for the blockchain technology.
Finally, we will develop a case study regarding the studied cryptocurrencies
mining, analyzing their performance and their impact in the enviroment.