and here was the problem, when gonchur needed grain, and the miller needed fish, the gonchur was forced exchange his pots for a barrel of pike and take this barrel to the miller in order to get the grain. it was inconvenient, and people came to store their goods in barns, and during purchase and sale transactions, write receipts for partners to receive their products, that is, the potter came to the miller for... the miller does not need the potter's pots, but before that the potter was with the fisherman, the fisherman took the pots from the potter and gave him a letter where it is written that whoever presents this letter at the fisherman’s warehouse will receive a barrel of pike; in return for such a letter, the miller gives goncher flour, because he needs fish. over time , there were so many purchase and sale transactions that people were forced to keep their receipts in small warehouses, banks became these warehouses, and the state took control over them, it also... organizes production and keeps records of most of the goods in the country’s circulation, because the first thing you