Ok, so, They say, gold mining was expensive, that's why some economists suggested to replace it by inexpensive central bank paper money, but that doubled the cost. Most of the major central banks in the world employ more than 10,000 employees, and they are not working at a gold miners salary, that too without adding any value, but added increasingly corrupt monopolistic practices. And gold is still mined. So, the cost is simply doubled,🤣😀☕👍.