Every hour of every day, this government facility in Washington, DC, turns paper into money in order to keep up with demand. These machines are running 24/7, pumping out more than $500 million into the US economy every day. But this is only a tiny fraction of how much money is really made. Most of our money exists digitally, and this number currently goes up by more than $4 billion every day. But where does all of this money come from? Before it ever reached your bank account, it changed hands countless times, passing through governments and businesses, all after being simply typed into existence on a computer. We modeled the entire thing to show you how money really works and how it drives the country.
I. The Origins of Money
Money inflates prices and ultimately puts you in debt. But in order to fully understand how we got to this point, we need to go back to a time before money. If a farmer thousands of years ago needed a new tool, he would go to the local toolmaker to buy one. The farmer didn’t have anything to give him in return, so instead, they both just agreed that he owed him something in the future. Because the toolmaker trusted the farmer, his promise of future value was an acceptable form of payment. Sure enough, two weeks later, the farmer came back and gave him some food from his farm.
To make transactions easier, people started to pay using more commonly used items like cattle, grain, and salt. Everyone needed these things, but they were hard to come by, and that’s what made them valuable. The farmer could now buy a tool and pay for it right away using a precise amount of grain. It seemed like a fair exchange. This made transactions quicker, and both parties would leave with something valuable to them.
Eventually, the demand for trade was too much, and paying with a random mix of bulky objects wasn’t practical. People eventually settled on using metal coins like gold and silver since they were small, extremely valuable, and would last forever—unlike cattle or grain. Suddenly, trade around the world opened up, and things were being bought and sold all the way from China to Europe.
However, traveling with so much gold became heavy and dangerous. This was when the whole idea of money started to change. In 17th-century London, trusted goldsmiths started to take in people’s gold coins, promising to look after them for a small fee. In return, they would give the customer a piece of paper—a promissory note that allowed them to retrieve their gold at any time. The key to this piece of paper was that the customer could go to any goldsmith in any town and claim back that exact amount of gold. The paper itself had no intrinsic value, but it became as good as gold.
II. The Evolution of Banking
The notes were so convenient that people started simply exchanging them to buy and sell things. The goldsmiths realized that most people weren’t actually coming to retrieve their gold, so they started loaning out fake promissory notes to customers. This was instant money that had to be paid back with interest, making the goldsmiths a small profit. This was fake money that didn’t actually come out of their gold.
If a goldsmith loaned out 100 coins, they wouldn’t become 100 coins poorer. They would simply write the customer a fake note worth 100 coins, which could be spent anywhere. Eventually, the customer would pay back the loan plus a fee, making the goldsmith 105 coins richer. On top of that, the customer would spend their money by paying someone for goods, making them richer from that single loan. The total money in existence increased by 100 coins, yet no new coins were produced. This meant that more money was in people’s hands than actually existed—as long as everyone didn’t come to cash in their notes at the same time, everything would be fine.
If we replace the goldsmiths with banks and the promissory notes with digital money, we have today’s system. Nowadays, almost everything is bought and sold digitally. But did you know that data brokers buy and sell your personal data? This could be used against you for things like scams, identity theft, stalking, and harassment.
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III. The Money Cycle and Inflation
When the 17th-century goldsmiths started handing out fake money, it had a profound effect on the economy. Before, no new money could enter the system, so the money that did exist was simply passed around in a cycle whenever a transaction was made. But this system had a major flaw.
Imagine a group of four people who have a total of $100 between them. If person 1 pays person 2 for some food, it moves the money around, making it uneven. Then person 2 pays person 4 for a service, and the money moves again. Note that every time money is passed around, value is made, and productivity grows. But eventually, the money supply becomes uneven, and fewer people can participate, slowing down trade and reducing productivity. This system only works if everyone pays each other the exact same amount at the exact same time—something that is impossible in the real world.
By adding more money into the system, it speeds up the economy, allowing businesses to grow, products to be made, and ultimately advances our civilization. And so a constant flow of new money is crucial to our current system. But how is this actually done?
We think of banks as places that store our money and keep it safe, but that’s not really what’s going on. When you give a bank your money, they are in debt to you. The numbers you see in your bank account aren’t real wads of cash sitting in a vault; they are simply promise notes showing that the bank owes you money and that you can claim it back whenever you want. A loan is the exact same thing, but in the opposite direction. When banks lend us money, we are in debt to them, and we have to pay them back.
This is where money really gets made. Just like the goldsmiths, when a bank gives out a loan, they don’t get poorer. They simply type new money into your bank account—brand new money that didn’t exist before. The only difference is that when you pay it back, the money gets canceled out, and the bank only keeps the interest.
The problem is that productivity doesn’t necessarily increase when we create new money, and that can cause inflation. If society starts producing fewer goods but more money is added into the system, prices will go up since there is more competition for fewer goods. Because of this, banks have to limit how much money they create.
In the past, they could only lend out a portion of the actual cash they had in their backup supply. Nowadays, though, banks have almost complete freedom to create as much money as they like. If they are running low on backup money, they can simply go to the central bank and ask for more. And that’s where things get ridiculous...
Source: Primal Space. (2025, January 28). How banks magically create money [Video]. YouTube. https://www.youtube.com/watch?v=RygikaUoRU4