Building a Cryptocurrency Portfolio?

i think a lot of people now are thinking, you know, they're bullish on block chain. And the big hits of the next bull run don't even exist yet, right? So for people who are like, 'I'm going to keep this much as an investment' i would always keep ten, 20%. That last sort of bit that i haven't sold off as a moon bag,. moving the investment, wait ten years and see if it becomes the next amazon.