maybe, there will be a global economic crisis. because the majority of people in the world do not understand and know how to use the crypto currency. so that they will experience difficulties in transacting and need a longer transition time to study the crypto currency. and the financial system of a country will experience an overall change.
Exactly, a chaos with global scale, people are constantly looking for methods to convert cash into cryptocurrency, the pressure for banks will be extremely huge, companies and businesses will be stagnant in paying their wages and paying costs. In short, hundreds or millions of problems will suddenly arise and there is no solution, and of course, because the government knows this, they will not allow cryptocurrency to destroy the stability of the economy and currency.