As a digital payment system virtual currency has its own reputation. Bitcoin raised as strong virtual currency in 2010. Todays global currency is developed in different way and comparing with others currency bitcoin is like more valuable than gold. Good reflection and better control system can make more valuable in economic sector. now by the help of bitcoin selling and buying system is easier than other transection. At age of technology we can collect or hire so many proficient worker for the purpose of different sectors development and then we can provide their salary through bitcoins because of its popularity.
On above this conversation we dont need to worry about future of virtual currency or bitcoins.
I think Bitcoin has a future. It can be more widely accepted now. It can grow to exist in parallel with paper money. It will support the weaknesses of paper money. Do what the paper money has not done well and it is possible development path for Bitcoin. It has outstanding features in the transaction and everyone has seen.