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7. What is money?

In a world where you can easily pay for your coffee with a smartphone, it’s hard to imagine a time when people traded cows for grain. And yet, the money we use today is the result of centuries of evolution. It all started with bartering, then came coins, paper banknotes, digital transactions, and… cryptocurrencies. But where did money come from, and why might its future look completely different than we expect?

From barter to coins: how it all began

Long ago, before anyone thought of minting coins, people traded goods directly. If you wanted a sheep, you had to find someone who had one and wanted your grain in exchange. The problem? It was difficult to agree on a fair exchange rate—how many sacks of wheat was one sheep worth?

People then began using items that were widely recognized as valuable—such as cowrie shells, salt, or precious metals. But coins were the real breakthrough. The first ones appeared around 700 BC in Lydia (modern-day Turkey) and were made of electrum, a naturally occurring alloy of gold and silver. Coins simplified trade because everyone agreed on their value.

Banknotes: a revolution that started in China

Carrying a sack of gold coins was inconvenient, so as early as the 7th century, the Chinese invented banknotes. Initially, these were receipts issued by merchants, but later, the government began printing official paper money.

Europe adopted a similar system much later. In 1661, Swedish merchant Johan Palmstruch issued the first banknotes as a substitute for gold deposits. The problem? People started using them as everyday money, and when they tried to exchange them for gold, the reserves were already gone. This led to the creation of fiat money, which had no intrinsic value but was backed solely by trust in the issuing authority.

Palmstruch’s bank collapsed in 1667, but the idea of central banking lived on. The Swedish Parliament recognized the potential of banking and, in 1668, established Sveriges Riksbank—the world’s first central bank with exclusive rights to issue money. This model later inspired central banks worldwide.

 

The gold standard – why it’s gone?

For centuries, paper money was tied to gold—each issued banknote had a specific value backed by precious metal reserves. However, in 1971, U.S. President Richard Nixon ended this system, cutting the link between money and gold once and for all.

The result? Inflation—central banks can print money without limits, which gradually reduces its purchasing power. Example? $100 from 1956 would be worth around $956 today.

Money in the digital age: cards, apps, and… cryptocurrencies

Today, we rarely use physical cash. We pay with cards, smartphones, and even smartwatches. The problem? Every transaction relies on an intermediary—banks, payment providers, governments.

That’s why in 2009, the first cryptocurrency—Bitcoin—was created. Its anonymous creator, Satoshi Nakamoto, designed a system where money wouldn’t be controlled by any government or central bank. Instead, it operates on mathematics and blockchain technology—a decentralized network of computers that records every transaction.

What does this mean?

  • Bitcoin and other cryptocurrencies cannot be “printed” like fiat money.
  • Transactions don’t require intermediaries—they are direct.
  • They are global—you can send and receive them from anywhere in the world.

Will cryptocurrencies replace traditional money?

Some countries are already experimenting with CBDCs (central bank digital currencies)—digital versions of national currencies that combine the benefits of crypto with traditional money. China is already testing a digital yuan, and the European Union is working on a digital euro.

Does this mean the end of cash? Maybe. But one thing is certain—finance has never been more dynamic than it is today, and cryptocurrencies might just be the beginning of a new monetary era.

Explore the world of cryptocurrencies with Kanga Exchange

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