Everyone would like the bitcoin is accepted in all online and real stores and, as as mentioned in the title, what would happen if Bitcoin became a legal currency?
If bitcoin become legal on world 6 to 10 percent population than its value will be 10 to 20 times more from current price. Till now we have seen much popularity of bitcoin in Japan where it is legal.
The point is that the legalization of Bitcoin in Japan can greatly affect the status of the crypto currency in the world. Each country can think about it, If it wants to conduct international relations and trade with Japan and similar countries.
The reality is that there is not much change after the Japanese government legalized cryptocurrency. You should remember that the US and UK governments have taxed cryptocurrency as a form of financial investment. In addition, the Chinese government has banned cryptocurrency after too tired to find ways to overcome speculation in this country. Bitcoin's value has increased over the past year, but it's not in the Japanese market, because of the crazy speculation from the Korean market, you should remember that Korea is still the country with the highest trading volume in the world until now.