You don't have to say scam if you don't have the proofs. Just give the benefit of the doubt. And if you're really worried, then, don't invest. As simple as that. It's not the first time to introduce such kind of project, PoS+PoW with MN and added security. But if the team will not abandon this and continue to grow the community, why not? And the supply is one of the lowest supplies that I've seen here.