In 2008, any 'we will change the world because everything social' startup.

in 2016, any 'we will change the world because everything crypto' startup.

All you need is a slide deck about how the <Whatever> market has been growing X% YoY and is worth $XYZ billion dollars, and how your <Website/App/Coin> will change everything. Hell, these days, you don't even need a slide deck, just a whitepaper.

As long as you don't actually have any revenue, you can keep people hopeful. Maybe you will grow into Amazon. Most of the time, you will grow into pets.com.