Money is the all-encompassing medium of exchange in our modern economy. Essentially, money is a medium of exchange of value (often referred to as wealth) that facilitates the trading of goods and services between different parties. Money and its various forms has been around since as far back as ancient Mesopotamian times, with various commodities, such as grain and livestock, used as the first forms of money. Since then, not only has money continued develop from these early commodities, to the coins and paper money of today, but its power and influence has grown exponentially.

Money enables the trading of goods and services. It is the quantifiable and accepted form of wealth which we use to buy and sell, to acquire possessions, to make financial investments, to save, and to build for the future. Economy-wide, money creates the efficiency (and necessity) of being able to trade what one produces for what he or she needs. From a business-sense, this ability to monetize and price one’s services, products and output is the core-drive of economic activity. Thus, money is central to the workings of our economy and – essentially – life itself.

Money is the most common form of currency today. Modern currency typically takes the form of coins, paper money (called 'fiat currency'), and digital cryptocurrency. Fiat currency is produced, managed and regulated by a central bank or government, and is often linked to a range of economic macro variables, such as employment, inflation, and monetary policy. These are all held in check though the process of controlling or restricting the amount of money in circulation by buying and selling government bonds and other government securities.

Cryptocurrencies, on the other hand, represent the newest evolution of money. Cryptocurrencies are decentralized, digital-only money forms, with no central governing bodies over them. Cryptocurrencies are created through a process called mining, where large and complex mathematical algorithms algorithms are used to ‘mine’ them from the blockchain applications. In terms of money, cryptocurrencies represent a new and still potentially revolutionary concept, creating trust in online money transactions, by accessing the power of encrypted public and private keys.

Overall, money is an agreed upon system of value which has enabled the efficient exchange of goods, services, value and capital between different parties. The use of money present in our economy today, including coins, paper money and digital cryptocurrencies, are all examples of the evolution of this system of value, and the lifeblood of our economic activity. Money has become an absolutely essential part of modern life, and shows no sign of disappearing anytime soon.