Qi takes three-character knives and four-character knives as money. The reason why Qi wants to make money into the shape of a knife is to form its own unique currency advantage and highlight its national strength advantage, so that other countries can see that their currency is a knife and see which daring small country dares to attack. Third, Qi is a nomadic people in the north. Because of its growing power, Qi was later established. They often use knives in their daily lives. Therefore,

One, three knives as currency, so that small countries simply dare not invade. Among the cultural relics unearthed today, the currency of Dao has indeed been excavated by later generations. Therefore, some archaeologists analyzed that the reason why a country used knives as money was because there were many knives at that time, because they were made frequently, and Qi, as a nomadic people, also liked to use knives as money. Second, because the currency of Dao can make other small countries see that Qi is not easy to mess with.

Second, it's very easy to tell the difference when the knife is used as money. In fact, no matter which country's currency is ancient or modern, it is a standard to measure whether it can become a currency. For example, coins nowadays are also made of metal. The palm will not fade after long-term friction, and it is very easy to distinguish, like the ten cents, fifty cents and one yuan we use now, while the sword of Qi State.

Qi is an excellent country in history. Although the country is small, it has all kinds of organs. In that turbulent era, many people in Qi could think of using a knife instead of money, which is also a manifestation of human wisdom. Until now, the unearthed knife money is still relatively complete.