The only thing I know is that we are just at the very beginning of this industry. Billions of dollars are already invested in crypto currencies and as soon as we will reach the mass adoption, we would see another picture.
The amount of money invested and the number of people in the crypto currency is not as large as it can be, it is still very far from its limit and so all the fun is still ahead, especially if the crypto currency will be able to get the approval of the government