Money is a medium of exchange that facilitates transactions for goods and services. It can take various forms, including physical currency like coins and banknotes, as well as digital forms such as cryptocurrencies. The primary function of money is to serve as a unit of account, a store of value, and a standard of deferred payment. Throughout history, money has evolved from barter systems to complex financial instruments. Today, it plays a crucial role in the global economy, influencing everything from personal finance to international trade. Understanding money is essential for making informed financial decisions and managing wealth effectively.