Since now smart money is in, they will make us need crypto currencies in the future.
So you can HODL! And you will have a nice life. Enjoy!!
It's simple, but that's how it works, at least on many global altcoins.
But maybe the first challenge is we need to pick the right coins first, because it seems that it is the main goal of everyone who enters in this field
It seems to me that it will be a long time before the crypto currency will take the place of real money. In any case, all the states must adopt the appropriate legislation for this, but at the moment the Crypto-currency is semi-legal.