to prove they're not scammer project and minimize your investment of being scam...
1. look for the team if they're legit and real human... prove to yourself if they're human and real, not fake linkin from russia, reddit or facebook stuff...
2. list your find...
Scammer or scam project are always using stock photo for their profile of Team members and just changing the name, so we need to always check about it and make sure the picture is real, even the person as well, by searching on google image and browse the photo of their team members.