The earliest paper money dynasty in ancient times was the Northern Song Dynasty "official jiaozi", the mainland became the world's earliest use of paper money; and the Yuan Dynasty was the dynasty that issued the most paper money in ancient times, and in Chinese history, only the Jin merchants in Shanxi could issue commercial tickets and silver tickets, which is history! The Jin merchants of the Qing Dynasty used a cryptographic-like cryptographic technique for anti-counterfeiting.
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In ancient times, the paper used for printing this banknote was also very special. First of all, the paper used for printing money is selected by the government. For example, the "Sichuan paper" that was once used as a special paper for printing money is a high-grade paper made of squeamish, also known as "paper", so the ancients also called paper money "banknotes" or "coupons". The government has invented a way of multiple printing - the seal anti-counterfeiting law, that is, the government will leave a mark on the banknotes issued by the government to the provinces.
When the province issues it to the government, it leaves another mark, and when the province issues it to the county, it leaves another mark. It was left like this, and when it reached the county, the banknotes were already stamped with a full amount of marks. When the county issues it to the qianzhuang again, it must also be stamped, and when it reaches the qianzhuang, it must also be stamped. It is this layer of addition that makes the paper money more recognizable and avoids counterfeit money.
The Jin merchants of the Qing Dynasty used a cryptographic-like cryptographic technique for anti-counterfeiting. According to records, the Rishengchang ticket number from 1826 to 1921 in ninety-five years changed a total of 300 sets of secret charges, others can not decipher at all, "beware of fake ticket fraud, do not forget to look at the chapter" 12 words represent 12 months, changed from time to time, it is said that the use of this technology, there has not been a phenomenon of being impersonated.
The emergence of silver tickets has greatly promoted the development of ancient commerce and economy, the perfection of anti-counterfeiting technology, and the embodiment of the wisdom of the ancients, in the case of underdeveloped science and technology, relying on their own thinking to actively create, do their best to solve the problems that arise, this quality is also a model for future generations to learn.