At the Bianhe Wharf, Su Mingche, a junior student in the Department of International Economics and Trade, was struck by lightning when he touched the Qingli Jiaozi template in the museum. After waking up in the hospital bed, he found that he was in the second year of Zhenghe in the Northern Song Dynasty and became the illegitimate son of a demoted salt merchant.
By observing market transactions, he realized that there were fatal flaws in the financial system of this time and space: the exchange rate of copper coins and iron coins was chaotic, Jiaozi's credit collapsed, and the salt system was rigid. Let's see how he stirred up the situation in ancient times.