basically when buying and selling in an exchange you would buy and sell using tether. similiar to how in your investment account you trade dollars for stocks an

basically when buying and selling in an exchange you would buy and sell using tether. similiar to how in your investment account you trade dollars for stocks and stocks for dollars. as opposed to trading stocks for stocks. and the reason you wouldn’t just deposit actual dollars on the exchange is to avoid regulations and laws related to actually depositing dollars