Hi, let me clear this uncertainty a few people said that all ICO is a trick however I don't trust them since I have put resources into some ICO and influence a favorable luck, to give me a chance to give you some piece of information to contribute. 1. When you need to contribute as a matter of first importance investigate about the specific ico you need to put resources into, endeavor to check their Whitepaper in light of the fact that some ICO duplicate content from another ICO white papers
2. Attempt to check their LinkedIn profile however that does'nt make any difference since some phony LinkedIn profile.
3.Try to know their genuine area despite the fact that some utilization VPN to shroud their area.
4.website expert issues a considerable measure since some don't know how to construct site and they are guaranteeing that they are in to Blockchain
5. Notwithstanding all this..involving in ICO is a major hazard 
Totally agree, not all the projects are scams for sure, and they are really good, and very important for market development. I also have one criteria to check projects and this is icoguide.com, this is very good platform with not paid rates.