The 21st Century has witnessed a huge shift to electronic payment systems, amid this change, digital currencies have been established introducing a new era of investment, saving and spending. With the rising global economic uncertainty, low-interest rates environment and political instabilities, resorting to digital currencies is becoming a global trend for investors seeking high-return. Yet, on the other hand, many view it as no more than a bubble. Bitcoin is the most popular form of digital currency and is increasingly growing in importance. It has been a constant source of controversy, but it is still not well understood.