The project of tutoring and online learning with the idea of using blocking technology is relevant at this time. To have time to take your niche is great. But I have doubts about the approach of assessing the quality and qualifications of teachers. How qualified are your moderators? Do you have a system of tests or take into account only certificates, resumes?
 I can say that the Earth is flat, and I can say that it has the form of a sphere
How stable will be the price of your tokens, you can face artificially inflating the price from the holders of the tokens.