As I known, ICO is a kind of risky investment. Similar to the IPO which is the form of invite for capital investment, but when buying IPO, investors can research the information about the company they invested, find out about official finance reports and be protected by law when joining. In contrast, ICO projects are often rather ambiguous and unprotected by government so the risk is so high for investors.
So how to evaluate a potential ICO project, look forward to receiving comments from you

Actually, there are many ways to know ICO scams. One of them is by looking at who the manager is, then looking at the company profile, the white paper and the team involved in the company.