To find out if the ICO is scam or not. At least 1 month after the ICO starts. we can check Team. White paper and how they work with their project. A lot of scams today. About 70-75%. That's a terrible number. They created the ICO and just wanted money and ran away 
more and more scam ICO is detrimental to all parties. 70-75% percentage in my opinion too much. because many ICO are successful and pay bounty hunter. just choose ICO with good ratings in ICO Review, TIM and clear project. Even ICO is managed by experienced managers are also a lot of scam, so it gives a negative effect on the manger.