Explanation:

The currency of Japan is the Japanese Yen (¥ or JPY). The Yen is abbreviated as JPY, and its symbol is "¥". It is issued and regulated by the Bank of Japan. The Japanese Yen is widely used in Japan for all transactions. Japan has a highly developed economy, known for its advanced technology, manufacturing, and export-oriented industries. The Japanese Yen is essential for facilitating both domestic and international trade and is one of the most traded currencies in the world.