There are lots of projects doing ICO.
As an investor of cryptocurrency, you might have some critical points of determination on you will go into ICO or not. What's the most important factor you decide to participate on ICO? And how do you judge the scam?
Please share your opinions.

You can't really judge an ICO if it is a scam. You need to look at who is behind the project. Are they trusted? Do the people involved is shady? How about the white paper? Is it professional written? What's their roadmap? How is the token divided amongst in investors? There are a lot of factors that you really need to look at if you are going to invest in a ICO. You have to be careful before giving them out your money.
right exactly even scammers are too smart so we are now too difficult to know whether if this ICO is scam or not cause there is a money related they are careful too just to never know that they are scam. Careful and give all your best to research and before you invest is the thing that you can do.