There was once similar project that propose an idea of experts earning by help answer questions. It didn't go well. Nonetheless, you might ends up better, so allow me to ask about details, first of all, how will you prove that the experts are indeed experts?
You're wrong! This is not the same project as the rest.
If you read all the information provided by the guys, you would understand it.
It was enough for me to read these 2 articles to understand it!