Scam ICO's in today's era of digital currency is nothing new and many people are still victimized by such scams. The only way to determine whether ICO is a scam or not is by having organized threads and professionally made website. They should have a clear vision towards success together with the company and its consumers. If you see they have a too good to be true offers more likely it's a scam. Doing background check in such company would not take a whole day just to investigate, have patience on everything.