Cafes around Tretyakov Gallery and Zamoskvorechye district are cash-only especially the small places locals frequent. Not tourist-friendly payment wise

ATMs limit withdrawals to 5000 RUB with 200 RUB fees each time. Better exchange at Sberbank branch on Tverskaya Street near Pushkinskaya metro - good rates without withdrawal limits

International Visa Mastercard completely stopped working after 2022 sanctions not just spotty service. Mir cards work everywhere but only Russian banks issue them. Carry rubles or get stuck