The first coins were invented in ancient Lydia in 650 BC. Coins became popular throughout Europe, Northern Africa, and Asia. To this day, coins are used by many civilizations in the world. The coin system is a way of trading when using a currency. Currency is a method of trade by using a token that represents a set value which can be exchanged for goods. Coins have upgraded the trading system because they allow for people to give objects a standardized worth, which leads to a common currency, and also makes the process of trading simpler.

The specifications of a coin make it possible for objects to be assigned a generalized worth. Gold and silver was often used to make coins due to its durability and portability. They were valuable materials to many civilizations. The common value of silver and gold made it easier for people to have a standardized price for goods. Coins also had a consistent weight. Because of this, coins did not have to be weighed when a good was sold. This leads to the fact that all coins were the same and none were more valuable than others, giving them a standardized worth. Coins also made it possible for civilizations to develop a common currency together. Because of a common currency, people from different groups within a society were able to trade with each other more easily because they did not have separate currencies. Finally, the coin system increases the possibility of the trading process being carried out. It made finding someone to make a trade with easier. It also allowed people to be able to pay any price in various ways. This means that people had a higher chance of being able to trade with each other. The coin system is important to the ancient world and in the present because it improved the trading system by making it simpler and more efficient.

Overall, the coin system completely improved how people trade. The coin system makes it easier for people to actually engage in an exchange of goods. The people of the modern world still use the coin system in everyday life. Without the coin system, individuals would still have to deal with the difficulties of trading. The coin system was an invention that renovated the way people traded and made people's lives simpler.