In 2026, it is overwhelmingly better to use a credit card as your primary payment method in Europe, but carrying a "backup" supply of cash remains essential. Most of Europe—particularly the UK, Scandinavia, and the Benelux countries—is now nearly cashless, with even street performers and tiny bakeries accepting contactless "Tap-to-Pay" via cards, Apple Pay, or Google Pay. Using a No-Foreign-Transaction-Fee credit card ensures you get the best mid-market exchange rate without the hidden 3–5% markups found at currency exchange booths. However, cash is still vital in specific regions: Germany, Italy, and rural parts of Central Europe still have many "cash-only" cafes, boutique shops, and coin-operated public restrooms. The "pro" strategy for 2026 is to use your credit card for 90% of purchases but keep roughly €50–€100 in small denominations in your wallet for emergencies or remote villages. Always remember to "Pay in Local Currency" if an ATM or terminal asks, to avoid "Dynamic Currency Conversion" (DCC) fees which can add 10% to your bill.