The British Pound Sterling is the official currency of the United Kingdom and is used as a major global reserve currency. It is the fourth most traded currency in the world, and is a popular choice for foreign exchange and investment. The Pound is often seen as a safe-haven asset and is used as a hedge against other currencies. As a result, the Pound is often used to invest in international markets, as well as to buy and sell goods and services. The Pound is also used to measure the relative value of other currencies, making it an important part of international financial markets.