[What is foreign exchange?

Foreign exchange is a claim held by the monetary administration (central bank, monetary management agency, foreign exchange stabilization fund and Ministry of Finance) in the form of bank deposits, Treasury bills, long-term and short-term government securities, etc. that can be used when the balance of payments is in deficit.

Including foreign currency, foreign currency deposits, foreign currency securities (government bonds, treasury bills, corporate bonds, stocks, etc.), foreign currency payment certificates (bills, bank deposit certificates, postal savings certificates, etc.).

As of 2015, China ranked first in the foreign exchange reserves of governments around the world.

However, the United States, Japan, Germany and other countries have large private foreign exchange reserves, and the country's overall foreign exchange reserves are much higher than those of China.

Learn about the world's major currency, the US dollar: it is the official currency of the United States of America.

The U.S. dollar banknotes currently in circulation are those issued since 1929.

Appeared after the passage of the United States Coinage Act of 1792.

The current issuance of U.S. dollars is controlled by the U.S. Federal Reserve System.

Since 1913, the United States has established the Federal Reserve System and issued Federal Reserve Notes.

More than 99% of current banknotes in circulation are Federal Reserve notes.

The authority responsible for issuing U.S. dollars is Congress, and the specific issuance business is handled by the Federal Reserve Bank.

After World War II, continental European countries reached an agreement with the United States and agreed to use U.S. dollars for international payments. Since then, the U.S. dollar has been widely used as a reserve currency in countries other than the United States and eventually became an international currency.

Pound Sterling is the name of the national currency and monetary unit of the United Kingdom.

The pound is mainly issued by the Bank of England, but there are other issuing institutions.

The symbol most commonly used to represent pounds sterling is ?.

The ISO 4217 currency code adopted by the International Organization for Standardization for the pound is GBP.

In addition to the United Kingdom, the currency of the British overseas territories is also based on pounds, and the exchange rate with pounds is fixed at 1:1.

Since the United Kingdom was the first country in the world to implement industrialization and once dominated the international financial industry, the pound was once the most widely used currency for pricing and settlement in international settlement business.

After World War I and World War II, the British economic status continued to decline. However, due to historical reasons, the British financial industry was still very developed, and the pound still occupied a very high position in the settlement of foreign exchange transactions.

Contributive figures and royalty are printed on the pound.

The Swiss franc is the legal tender of Switzerland and Liechtenstein and is issued by the Swiss Central Bank.

The Swiss franc is a hard currency.

Most of Switzerland's neighboring countries use the euro.

There are also shops and institutions in Switzerland that accept the euro.

The Swiss franc was decoupled from the euro on January 15, 2015, which also resulted in the famous Swiss franc black swan incident.

1000, 200, 100, 50, 20 and 10 Swiss franc banknotes have been issued.

Currency code: CHF.

The abbreviation symbol for the Canadian dollar is C$.

The Central Bank of Canada was founded in 1934 and is known as the Bank of Canada.

The Bank of Canada is responsible for issuing currency in Canada.

Current Canadian banknotes are available in five denominations: $5, $10, $20, $50, and $100.

There are also 1 yuan, 2 yuan and 1, 5, 10, 25 and 50 cent coins.

International code CAD.