This article provides an overview of the different payment methods available for tourists visiting Japan, including cash, credit cards, mobile payments, prepaid cards, traveler's checks, Apple Pay and Bitcoin. Charles R. Tokoyama, CEO of Japan Insiders, explains how to exchange money in Japan using banks, ATMs and online services such as Transferwise. This guide hopes to provide enough information so that tourists feel comfortable with whatever payment method works best for them during their stay.