the concept of bitcoin has actually been created for a long time. but we must admit that btc is currently developing very fast. To make bitcoin recognized by each country it is difficult. but someday I believe that bitcoin will be recognized as the single currency used in the world
Of course it is very difficult to convince the government to do that, because every country already has its own legal currency, it is not possible to use 2 legitimate currencies in 1 country, so one way out is to legalize bitcoin as a commodity, not as a currency