There are a few ICOs that are geared towards this form of investing. I honestly believe that this will become a financial model going forward.

Most blockchains out there  are forked from existing ones.

Well.. realistically blockchain developers right now are in so much demand that you would essentially have to have an idea so ridiculously amazing to be able to pull them off their own ideas and you would have to have some sort of resource that is unique only to you for that particular idea.

Right now there is an entire world of things and industries that will be tokenized by people who are already sitting on a huge pile of cash.

These people will essentially have access to to those individuals who are able to implement ideas.