yes of course bitcoin is thefuture of online gambling. because now a days all gambling things are happining online. and all casino running in different countries are developing the online tehniques to improve the online ganbling. and betting is also a gambling type and happening online throughout in the world.
but unfortunately some of the biggest gambling sites do not accept bitcoin. maybe if there was one of those who accept bitcoin, possibility bitcoin would be the future of online gambling.
It is a matter of education. Large casinos believe that Bitcoin is simply gambling chips. When they begin to think of him as a payment method, then everything will change.