This will be the problem with the government and bitcoin , because government cannot easily make disappear the businesses using fiat currency as an exchange to change with virtual currency, of course not all business owners won't change from fiat to virtual also eo government are still studying the cryptocurrencies.
yes, it takes time and adaptation to get to know the cryptocurrencies world including the government to do the policy in the new thing they are all thinking carefully because the fiat money into a medium of exchange that continues to use until now.