well ICO characteristics depends on a matter on interest, but here in this forum we have to talk about secure and trustful ICO.
A good ICO always declare the identity of all team members and also share the idea's good aspects as well as bad aspects.
They must have to show their targeted range value, less then that will result in return of all funds to the investors is the best policy.
try to invest in the ICO in which you have some interest.