I understand you have a level of discomfort with it, especially within your age bracket. At least you're more open-minded to the possibility than most.
In a portfolio, you could choose to go 99% equities, 1% hedging with assets. In that 1% bucket, something like Bitcoin could be extremely useful.
If everyone adopts that philosophy, it won't take much to shift the price many multitudes higher. Nobody needs to go overboard, full-risk on, with cryptocurrency. But it can add a bit of alpha to your portfolio.