Gold coins stopped being used as a medium of exchange because it had many flaws. For example, it was not sufficiently divisible, so silver and copper coins were used for smaller payments. People also began counterfeiting gold coins, and it was difficult to verify what metal was actually inside. Because of this, bankers managed to replace gold with paper banknotes.
Bankers were people who dealt with lending money and exchanging coins. The word “bank” comes from the word bench, while “bankrupt” comes from the expression “broken bench.” Such people are even mentioned in the Bible. And those money lending and exchange coins businesses were mostly done by Jews. They managed to remove gold as a medium of exchange gold,silver coins  and push through their own paper money, since people deposited their gold coins with them and, in return, received paper notes.Since it was easier for people to use paper notes instead of going to withdraw their gold, the bankers’ notes began to circulate as a medium of exchange. When bankers realized that almost no one was actually withdrawing gold, they started lending out their paper notes with interest instead of gold itself. This is how today’s monetary system was born.

One of the biggest challenges for Bitcoin is precisely that people still don’t understand what money is and are unfamiliar with its history. Most people grew up in the bankers’ fiat money system, and it’s hard for them to grasp why Bitcoin is a better form of money and to break free from decades of reliance on bankers’ money.This means that even when the technology works perfectly, education remains the greatest “final boss”  because people need to understand the basic principles and history of money in order to fully embrace Bitcoin.