I think in the future crypto can dominate the currency system and become the most effective investment tool.
I think the stability will not definitely happen at any point of time because then stability will be the reason for the development of cryptocurrency that's why we cannot see when we constable nothing will be changed it for now and then value instruments am no one wouldn't like to invest in this field
The fluctuations of price is constant, it neve been stable, but if ever the price will reach the top again possible all the projects in the market will be a success and good time for exchange those who hold their coins.