Yes, Bitcoin have future. Well everything has a future, it can be good or bad or even mixed. For the most part, Bitcoin may have a great future in the long term if it overcomes all scalability issues and all the concepts being developed are successfully implemented. As currency, the future is Bright. People want to buy gold. So for new Generation, Bitcoin is that Gold. Till then There is uncertainty future of Bitcoin is bright. Bitcoin will have mixed future, I meant in very long term. However as far as making some money passively, on that perspective Bitcoin will do a good thing. But be alert about cryptocurrencies news and changes. On the same perspective some other cryptocurrencies will do better in future if you do proper research and investment.