A currency symbol can be defined as a graphical symbol that can be used as the substitute of the name of a type of money. These symbols are unique symbols that recognize the currency of a country or a region. These symbols are created and are registered with ISO (International Organization for Standardization).
Every currency along with its unique symbol also possesses a unique code known as ISO 4217 currency code.. But since symbol is an easier way to depict the monetary value of a number, so these are widely used in the international and local markets.
The currencies of all countries have a different worth of the monetary value in relation to each other. No two countries having different currencies can have exactly same worth. Hence in order to differentiate the monetary value of a monetary number it becomes quite important to use its currency symbol in conjunction to the number.
Some countries also share the same currency symbol and same currency format but majority of them use unique currencies and symbols. Here is the info graphic that showcases the symbol of flag and currency for all the countries all over the globe.