There is a lot of interest in Bitcoin and blockchain since 2009, a number of other cryptocurrencies (or tokens) have come into existence. There are over 850 cryptocurrencies currently being traded across the globe. Litecoin, Dash, Ripple, Stratis, ZCash, and Monero are some examples of the popular coins. The total market capitalization of all cryptocurrencies combined crossed $100 billion in June 2017, a much welcome milestone in the cryptocurrency journey.