1, from Beibi
In Shang Dynasty in China, shells were used as money. With the development of commodity economy, natural shells are in short supply, so artificial shell coins have appeared, such as stone shell coins, bone shell coins, mussel shell coins and so on. Copper metal shell coins appeared in the late Shang Dynasty.
2. Statutory form
During the Spring and Autumn Period and the Warring States Period, Beibi completely withdrew from the historical stage, and different currencies were formed in different regions due to social conditions and cultural differences. There are mainly: ant nose money in Chu area, cloth money in the Yellow River basin, knife money in Qiyan area and ring money in Sanjin and Shanxi provinces.
3. Bowen monetary system
With the establishment of the Sui Dynasty, China's chaotic currencies tended to be unified. For three years, Emperor Wendi minted standard five-baht coins and prohibited the circulation of old coins.
Kaiyuan Bao Tong, the annual money minted by Tang Wude for four years, is gone forever, replaced by Bowen monetary system (mainly Bao Tong, Yuanbao and Chongbao).
4. Silver circulation
Silver became the legal tender in circulation in the Ming Dynasty. Silver was mostly used for large transactions, while paper money or coins were used for small transactions.
Social problems reflected: It reflects that the economic development of the society is getting better and better.
Extended data:
Ancient paper money
During the Northern Song Dynasty, Jiaozi, the earliest paper money in the world, appeared, followed by other paper money: Huizi and Guanzi, which played an increasingly important role. In addition, money sharing, prison money, kitchen money and annual money also came into being. Song Huizong Evonne's thin gold body is a must.
Liao is a country founded by the Khitans. At first, the currency of the Central Plains was used, and later it came from coinage. Taking China people as Qian Wen, most coins have not been refined.
Baidu Encyclopedia-China Ancient Currency