What Is a Reserve Currency?

Yuri: All of the sponsors that I have on my channel want to pay in dollars. So even Canadian sponsor British, who have this, the British bound, they wanna pay in dollar. And also, every, if I sometimes have someone in Pakistan, for example, do an animation or someone right in South Africa edited a video for me once. But not always, like you say, via US space banks sometimes. He says it was very interesting to him that people didn't even think about it too much.