From exchange or trading of items to evolving to paper as a medium of exchange to have a convenience in purchasing or selling of goods and services, and now we have a digital currency that has been used not just on trading but also in a lot of different ways just to earn money. And now I am just wondering what's next after cryptocurrency because as we all know things never stand the same way for a long period of time. Especially in our generations today you need to learn to adapt and make the necessary adjustments in order to keep up to what's happening around the world.