1yen

1yen refers to the smallest unit of Japanese currency, the Japanese yen. It is the base unit and represents the most basic denomination of the yen. While coins of 1 yen exist and are in circulation, their actual purchasing power is extremely low. Due to inflation and the rising cost of goods, many vending machines, ticket machines, and even some small shops do not accept 1 yen coins. It is rarely used in everyday transactions and is often rounded up to the nearest 10 yen when making purchases. The 1 yen coin is made of aluminum and is silver in color. Its primary significance is as the theoretical smallest unit of currency, though its practical use is limited. The Bank of Japan is responsible for the issuance of all Japanese currency, including the 1 yen coin.