[amaotox]

Can you explain the deal in more detail?

It could work, but if you don't have the right legal support, it could be hell.

You need to be clear about your expectations and understand that you are probably taking more risk than the co-founders on their own project.

They can convince you with their idea, their projections and their connections to achieve their goals, but that is not enough and it does not guarantee anything. It only ensures a beneficial asymmetric risk for them.