Where to go for a new "brilliant" idea? How to do a crypto startup?

Hi all, after being in the crypto market for a long time, i have a idea to start a own project, which seems relatively original and i think can attract quite some people. however i have zero experience with managing a project, fundraising and frankly i also dont want to have anything to do with that, thats not my expertise. Simply telling about the idea to random people seems bad, as someone can simply steal your idea, so it needs to be a serious place where you have the guarantee they wont spread your idea or worse, start without you. Would love to hear tips and experiences regarding this. thanks!