The future of bitcoin is very complicated. But it's already starting to transform the financial world dramatically. Everyone knows it's great for the black market for sure. Bitcoin is completely revolutionising remittance market. In china many people who is working in US are sending money back home using bitcoins to save money transfer time and same time they also can save transaction fee about 2 to 3%. The global remittance market is worth about 600 billion each year. So things are looking good for bitcoin. Acceptance will grow as more and more people use it and it will surely will grow in long term.