Foreign visitors can use major international debit cards such as Visa, Mastercard, and UnionPay at most Russian stores and supermarkets. Payment terminals in large cities support contactless and chip‑and‑pin transactions. Some regional banks may require a PIN in Russian, but most terminals accept English prompts. Currency conversion is performed at the prevailing exchange rate with a possible markup. It is advisable to notify your home bank about travel to avoid security blocks.