You can't start unless you dream first. You need an idea, without an idea you cannot dream. You may only copy other people's projects if you don't have an idea in mind. Then the rest depends on how much money you got, which people you know, etc.
Like you said, you need a team but there are also lots of scammers so it won't be an easy task to find the right people. Why do you want to start a project like this anyway? You can make money by making investments. It would bring less headaches.
The dream part is not the hard thing, it's the grind that people are stuck at almost all day every day. The reality is that if you have a dream, that's fine but if you are not willing to work for that dream then it is not a dream but just an idea. What you should do instead is to make sure that you end up with working hard towards finding the path and then taking those steps in order to achieve it.
I personally never really do that, did it once in my entire life and created a project with friends last year, wasn't a big success, but at least we recouped our money back (well I did and a friend did but third person didn't). This means dreams can come and go, it's the grind that matters.