I guess Yes It will be the universal currency in the future because of the trend of a computer. The online market or shoppine is now available which you can use bitcoin the buy or to shop online. And also bitcoin use to invest, to gamble and to trade that is why Bitcoin deserve to be a universal currency in the future.
An easy and reliable way of transaction is quite needed through our times because the development of our technology is also need to adopt the systems of businesses and transaction wise. And people seek for more ways to earn so it is better to have a form of currency that is widely acceptable to the internet. So for me it will become a future currency in the near future and not just that bitcoin can also be a universal currency that is good in investments and for daily transactions.