So companies are holding some amount of bitcoin, as the article above says. Reserve currencies are used by central banks. From a quick search, the two main rese

So companies are holding some amount of bitcoin, as the article above says. Reserve currencies are used by central banks. From a quick search, the two main reserve currencies worldwide are the US dollar and the Euro. Not sure how Bitcoin plays a role. Meanwhile, what I see when Bitcoin comes up is about speculation. That is what I am most surprised by, and I still cannot find information explaining why it happened.