I'm headed out on a cruise that leaves from Singapore, stops in Nha Trang Vietnam, Hong Kong, Taiwan and Japan.
I'll be spending several days in Singapore before the cruise, and a couple weeks in Japan at the end. I know Singapore and Japan are really good about accepting digital payments, so using Apple pay and credit cards will be my primary method of payment.
However, I'm not sure about Vietnam, Hong Kong and Taiwan. I'm also not sure if there are instances in Si