For much of 2017, you've likely heard some of the following terms if you've paid any passing attention to the world of finance: Cryptocurrency, Blockchain, Bitcoin, Bitcoin Cash, and Ethereum. But what do they mean? And why is cryptocurrency suddenly so hot? Before we can answer that, we need to explain the basics of blockchain, the technology that powers Bitcoin. As society becomes increasingly digital, financial services providers are looking to offer customers the same services to which they're accustomed, but in a more efficient, secure, and cost effective way. Enter blockchain technology.