What Is Money and Why Does It Exist

What if someone told you that over 90% of the money in the world isn't real? It’s not paper or coins you can hold. It’s just numbers on a screen. That sounds strange, but it’s true. To understand how we got here, we have to go back to a time before money even existed.

Long ago, people used barter, which is trading things directly. A farmer with extra eggs might trade them for a weaver's blanket. This works, but only if the weaver wants eggs. If they don't, the farmer is out of luck. This problem is called the 'double coincidence of wants'—both people have to want exactly what the other person has.Money was invented to solve this. Instead of trading eggs for blankets, you trade eggs for money, then use that money to buy anything. Early forms of money were things like shells, salt, or beads. Eventually, we started using metal coins and paper bills.Modern money works because we all agree it has value. This is called fiat money. The paper bill itself isn't valuable, but the promise it represents is. Today, most of that promise is digital. Over 90% of the wo...

Kai was an amazing guitar player and wanted to get their skateboard's broken wheel fixed. The local skate shop charged 20 currency units for the repair. Kai didn't have the money, so they offered the owner free guitar lessons instead. The owner smiled but shook her head. 'I appreciate it,' she said, 'but what I really need is someone to fix my leaky roof.' Kai couldn't fix a roof. They felt stuck. Later, Kai realized that if they had charged someone else for guitar lessons, they could have earned the money to pay the shop. The shop owner could then use that money to hire a roofer. Money wasn't just about buying things; it was a tool that connected everyone's different skills and needs.