The future of virtual currency will most likely be the form of payment and other means of transaction most people will use and is starting to be used slowly. Hopefully it will keep and maintain that image for ancouple more years. That is if these cryptocurrencies will last a lifetime.
There are some legal problems in bitcoin and other coins like bitcoin. When they are solved in the countries, this will start another payment and bnaking era in the world. The future of coins will be much better.