For investing in ICO's you need to be rational, don't follow your gut so to say. Research and trust your rational brain.
In our crypto fund we've did a YouTube series on what to be careful when investing in ICO's check it out on our channel. Last part is about biggest red flags in ICO's.

Because we have rigorous steps before investing in ICO's we can tell you that there are not many that actually need blockchain and token. The days of hype are gone and now it starts a real work with research each ICO in detail.

Also there is latest blog out from our seasoned portfolio manager Tim where he writes everything about ICO space, read it here.