Blockchain becomes the best transaction application.Digital currency. A new world is ready for you to explore.Since the beginning of the creation of Bitcoin in 2008, Bitcoin and various digital currencies have grown in such a way. Today, it is natural to hear people discussing digital currencies.Each article can be read separately and each article explains one concept of digital currency. After reading this Learning Portal, you definitely feel more comfortable and better equipped to join in the discussion of digital currencies.Blockchain becomes the best transaction application.