Lol! never! Governments will never accept that cryptocurrency is better than fiat money! Because it is not! Bitcoin can create a parallel economy and can become the greatest investment of all time, but it can't become better "medium of exchange" than fiat currency for various reasons. So there's no way the governments and important people will accept that. Bitcoin has survived as an alternative to the mainstream currency, it has shown enormous growth, investors from all around the world had invested money into it including some prominent personalities, but bitcoin can't replace fiat. What El-Salvador has done is an exception and exception can't become rule. Bitcoin can't just scale up to support the need of 7 billion people. Sorry!