zidorov, van0k and Sova could be from same family, that's okay.

Bullets 1. and 1) and 2) hit the point. An expert, to speak of myself, just takes a look at the so far produced code base.
A scammer always bundles all of his activities on propelling his scamm, not on writing program code. Even if they would be capable of writing code they tend to avoid that like the plague, thrieving to scamm instead.
How much of the idea made it into code versus how much is staying all smoke and mirrors on a "wipe" paper which is suitable only for your behind side once or twice a day makes the difference.

ICOs are for so different projects that you cant compare them. IT is like comparing apples and pears.


Usually developers present timeline. You can at least measure how realistic they were.   But again projects many times totally turn sideways.   Lets look at Spells of Genesis. They basically finished half year ago all that they promised in ICO , but in year and a half of development there come new ideas how game should look like. And they develop those.