the future of virtual money is very good. because not using something that can damage the ecosystem, will not even lead to an abundance on earth, if the virtual money is legal then it will increase the profit of a country, the economy will be developed and developed. , there are also many transactions that will use virtual money.
Yes future of virtual currency like bitcoin will very bright and that's why everywhere it will most popular and also its price will more high and profitable, so I think the value of paper money will down but the value of bitcoin will very high.