Cryptocurrency is the currency of the future. With high returns and easy to use, this digital currency is the money for the future. With the world getting digital, it was only logical to have a source of digital money. Cryptocurrency or crypto coins fill up this space as they have now carved a niche for themselves in the world financial markets. Starting in 2009, the concept of cryptocurrency and the fact that you could mine and earn your cryptocurrency caught the fancy of many software experts and mathematicians. Earlier, the mining of coins was much easier than it is now, and with the craze of cryptocurrency exchange catching up, pool mining or collective mining is the trend.