There was a time when cryptocurrencies were not part of the norm and were seen as an oddity. As a matter of fact, there were even doubts about their adaptation in the practical world. Things have changed since then and now everyone has come to terms with the fact that cryptocurrencies are here to stay. They are a big step forward in the financial world, one that was bound to happen, given the pace of technological advancement and the modern digital age. Bitcoin was the first every cryptocurrency to be introduced ever in 2009 and it has been joined by a number of others since then.