Title says it all. If you're looking to invest in an ICO or pre-ICO blockchain project, what's 1-2 attributes that are most important to you? Market size/potential? Management team? Technology that is distinctive? Strong white paper? Social media following? Other...
Aaaaaaaand go!
I look at the project. I make sure that what you are offering is something that people would want to use in the coming years and can be applied in the real world at some point, without that then the project is moot and destined for failure. I also make it a point to look up the team members, if you project do not have team members I can follow then I want no part of it.