I tried to sell 20k in their Telegram chat and was banned during 1 minute. No exchange listing during several weeks after blockchain start. Payments in console wallet were working from very beginning. Actually, there were working mining pools, including one from developers.
Seems they are not interested in open market. +1 to scam possibility.
In fact we are very interested in open market. Were you trying to sell during ICO?
It's unfair to discuss a possibility of scam when a project's dev team has successfully launched mainnet, maintains two testnets, and actively develops multiple applications:
Supernodes (and other apps):
https://github.com/graft-projectMobile wallet apps (iOS, Android):
https://www.graft.network/mobileapps/Mobile point of sale apps (iOS, Android):
https://www.graft.network/mobileapps/CryptoFind mobile app (iOS, Android):
https://www.graft.network/cryptofind/