Crypto currency is a relatively new human invention having only been created in 2009 with the advent of Bitcoin. Since then, the two most popular forms of cryptos, i.e. Bitcoin and Ethereum have become multi-billion dollar industries. Both currencies are accepted, and in fact encouraged for use with online bookies. Professional Rakeback has created two very detailed guides on how to purchase Bitcoins and use Ethereum for online gambling that will walk you through each step and make the process quick and easy.