Cards issued by foreign banks are not accepted in Russia. As soon as you enter the country, the everyday convenience you normally enjoy becomes inaccessible: you can no longer easily purchase a cup of coffee, order a taxi, or get admission to a museum. https://payinrussia.com You need to look for a currency exchange bureau, keep cash on hand, and avoid unplanned spending.
The answer to this problem is PayInRussia. The platform enables foreign travelers to make payments for products and services in Russia with their mobile phones. You can manage without cash or visit a bank branch.