The relevancy of icos has fallen since 2017 and it is not really surprising to understand why, many scammers saw the opportunity and began to create a lot of projects and to their surprise they got a lot of investors, but since those projects never had any future they began to fail and people lost their faith in icos and even more importantly they lost their money, people that watched over these events are aware of this and warn everyone about the dangers of investing in icos, and when you have such bad publicity coming to you all the time it is not really a surprise that icos are not relevant anymore.