In all international trade the buyer pays with the currency they have, and the seller receives the currency they want to hold. The banking system makes a hands

In all international trade the buyer pays with the currency they have, and the seller receives the currency they want to hold. The banking system makes a handsome fee making that particular piece of alchemy happen. Gory details about how this particular trick is pulled off is here[0] if you're interested. [0]: https://new-wayland.com/blog/how-russian-gas-is-paid-for/ https://new-wayland.com/blog/how-russian-gas-is-paid-for/