Definition & Meaning of "coin money"in English

What is the origin of the idiom "coin money" and when to use it?

The idiom "coin money" originated from the minting or creation of coins by a government or authority. In ancient times, rulers would mint coins with their image and seal to legitimize and control the currency. This idiom is used to describe the act of making a significant amount of money, often implying that someone is successful in a business or financial venture.