Forget about speculations, market caps and all those investment strategies such as hodl.
After you forget about that, take a look at the posibilities this new tech has to offer.
3rd gen crypto is here, with instant transactions and 0 fees. It's working today. Try RaiBlocks if you don't believe me.
Imagine that you own a fully automated Tesla. When you're not driving it, it's making money, driving Lyft and Uber passengers. When it needs to recharge, it goes to the most advantaged station and recharges.
The cool thing about this device is that it's a real actor in the economy, making money, and paying for things it needs.
If you give this device some pocket money such as IOTA, it can receive payments from anyone, and pay for electricity in any station. Each coin that goes over budget is passed to your account, or maybe to multiple if it's co-owned. Remember 0 fees and instant transactions.
In such a wold, why would you work with wire transfers from a bank account, if you can let machines work with "cash" internet money?
If such internet money is worth $0.000001, it has value, because you can make instant, feeless transactions with it. A corrupt state is also not able to mess with your money.
So yeah, I see a bright future for cryptocurrency. Even when the market crashes, it will still have value and plenty of usecases where it dominates all other options.