At first, people used gold and silver as money. The use of gold and silver is because they can be relied upon to meet the most basic functions of money as a medium of exchange (medium of exchange), as a store of wealth (store of value) and as a unit of measure (unit of measurement).
Roman Empire was using gold as currency by the name of Denarius. While the Byzantine Empire using silver as currency by the name of drachmas. Both the Roman Empire and Byzantine Empire had been in contact trade with Arabs since long. Therefore Arabs have similar pronunciations the Romans or the Byzantines, the denarius and drachmas into dinars and dirhams pronounced by the Arabs.
In societies that use gold and silver as currency, of course, there tetep wrote some poor and some rich. One among them is the rich merchants of gold jewelry (Goldsmith). To save its gold stock, this merchant has a space / special place that is guaranteed safe. visit website: www.geldanlagevergleich.org for better money ideas
Over time, gold merchants minded to lease storage space gold. For each of the deposited gold, gold merchants will create a letter stating that so much gold as gold is deposited in the merchant so and so. The rich and entrepreneurs need a place to store their gold and silver in a safe place. So the rich as well as businessmen were flocking to the gold merchants to leave the gold and pay certain amount for the cost of care.