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...
I cannot totally grasp what you are pointing out. Before investing it is your duty to diligently make research and look at the legitimacy of the project and the team. It's your money, it's your responsibility. Do not trust any review sites sites since most of them is paid, you can use them as a reference but do not use them as guidance.
Crypto investment is full of risk, and it's difficult to determine which is legitimate or scam and which will fail or succeed.