円
This Chinese character means circle or yen.
You can watch how to write this. - (「円」の書き順（筆順）動画 - 漢字書き順辞典)
This Chinese character is often read as "えん".
Yen is Japanese money.
Yen is the currency unit of Japan.
The value of a currency is backed by the trust that it can be used as a currency.
It is a currency because people believe it is a currency.
The essence of international finance and exchange rates is the balance between the amount of currency issued by each country, and in real economic terms, the balance of trade.
By Higashi-Mikawa Kyōjindō Shujin (東三河狂人堂主人)