chances are there will be one country whose currency is dead. This will make the adopters of bitcoin increase very large, which will trigger an increase in the value of bitcoin to more than USD 50 thousand when that happens.
The price of bitcoin will boom in the year of 2020 so the people who are investing right noe will become rich in the future. And i think in the future bitcoin will become a legit currency and it will be legal to all the countries in the world