by David DrakeBlockchain was just a buzzword a few years ago but today, it is going mainstream. As a result, companies are beginning to take up space in the cryptocurrency industry.Amazon and Starbucks are trailblazing the entry of corporates to the cryptocurrency market – if their recent announcement to create their own virtual currencies and integrate blockchain in their business models is anything to go by.The two now join other giant, forward-thinking, successful companies, like Microsoft,