Setting out strong foundation that's aimed at supporting long term gain is the best thing you can do for yourself and regardless of the fact that you might not be getting quick results like short term investors and individuals, the benefit that comes with long term investment in the right thing will always supercede any quick gain that's mostly for short sighted individuals.
Well, I think that you can do both.
You’ve mentioned about diversifying your portfolio and I believe that you should put most of your investments into a safe and popular cryptocurrency whether that is bitcoin or ethereum and then you should also invest some of your money into new and upcoming projects.
Taking risks sometimes is not a bad thing