if in my place dollar as still more famous than the bitcoin, because here are still very few people who know about bitcoin because the wearer is still rare
Dollar will be always the most famous and one of the must powerful currencies, bitcoin is showing up and it can be an option for the future, it bringed inovation that made some big companies as banks to consider improve their own system, because they were able to see the waste they were having with internal transactions.
Dollar could be replaced by bitcoin in 10 to 50 years.