Bitcoin has been established and in use for almost a decade now. It paints the headlines daily now and you can even purchase it via the commodity of countless of platforms, depending on your country of origin of course. As this financial instrument becomes more established and matures as a regulated asset its value will undoubtedly continue to climb. The script is simple: there will only ever be 21 million Bitcoins in existence, the smallest unit of trade for this currency however is 1 satoshi which is 1 100,000,000 millionth of a Bitcoin. In other words we have 2.1 quadrillion units to work with. There are certainly more than enough value in todays monetary markets to put the digital currency to good work.
Bitcoin however will not be the end all be all for cryptocurrency. Eventually there will come a time when other tools, likely technological advancements, will provide features we've yet to think of.