The ideea it's very nice but it is way ahead it's time. I think this will be a big thing only if cryptocurency will be adopted by the masses.
You may be right, most of people who haven't ever heard of crypto won't get involved in any crypto-based projects..
The only solution here is to advertise it to any social media. But some social media banned cryptocurrency advertisement due to some reasons. Hope they can get more investors to help this big project to be launched.
There are other ways to present yourself and your project without using social networks.Of course when you connect a social network more users know about it,but it's not one of sposob