How safe is bit coin gambling is it worth?
Bitcoin is safer than you are thinking and in gambling, how do you define safe? Safe in risk? Safe in losing? If you are thinking that gambling is safe when you gamble, you are not safe from losing. But the whole blockchain technology itself is safe.
If yes and than how to play and where to play?
Click my signature and try out onehash.
can now make a living on this gambling?
There are people who are making a living on it but I advise that don't try it out.
Is there really people making Gambling as their source of living. I doubt it won't be efficient and profitable in any way. Even if you're too lucky.