What is osaifu?

Osaifu is a Japanese e-wallet service that allows users to easily make mobile payments. The service is provided by NTT DOCOMO, one of Japan's largest telecommunications companies. Users can store their credit or debit card information in their Osaifu account, as well as add cash using a physical card or at designated locations. The service can be used to purchase a wide range of goods and services, such as transportation, food, and shopping. Osaifu is widely accepted across Japan, making it a convenient way for users to make transactions without carrying physical cash or cards. Additionally, the Osaifu service offers features such as loyalty points and discounts from participating merchants, providing additional benefits to users.