Airline and railway ticket platforms such as Aeroflot, Russian Railways, and S7 Airlines accept Visa, MasterCard, and American Express issued abroad. Payment is processed in rubles with the bank’s conversion rate. For high‑value tickets, a three‑digit security code (CVV) and address verification are mandatory. Some carriers also support PayPal as a secondary option. Booking confirmations are sent via email, and e‑tickets can be stored on mobile devices.