Strong investment option but definitely not strong currency. Barely anyone uses bitcoin as currency compared to euros or dollars, bitcoin has meaningless transactions when it comes to buying real stuff compared to other currencies.
Not strong currency? what did you think so? BTC Dominance: 58.6% of cryptocurrency market but you still day it is not strong. At the moment, when a lot of people are trying to invest to bitcoin to earn profit and everyday bitcoin has been trading to billion dollars that equivalent the stock market of country where have average economy and goverment of all countries now interested in bitcoin, want to control it because of the value of bitcoin. All that showed bitcoin is strong currency in the world