Pasmo is a rechargeable smart card used for public transportation in Tokyo and surrounding areas. It allows users to easily pay for train, subway, and bus fares without needing cash or tickets. The card can be purchased at ticket machines and convenience stores. In addition to transportation, Pasmo can also be used for purchases at various shops, vending machines, and restaurants that accept electronic payments. It is similar to other smart cards like Suica, making it convenient for both locals and tourists to navigate the city's extensive transit system.