The budget for a vacation, depending on your destination, is subject to exchange rate adjustments. If there are several months between planning and traveling the exchange rate like between the US $ and the Euro € has fluctuated recently by 10% in favor of the €uro. Nice for those receiving salaries in € and who spend their vacation in a region using the US $ as main payment currency. International tourists frequently calculate in $ and therefore might find Europe a bit more expensive than before the return of Donald Trump in the USA.
However, for all those who live in the Member States of the Euro-area and take their vacation there as well, they no longer think in exchange rate risks to their vacation budget. Additionally, there are almost no risks to be subject to fake money transactions like in unfamiliar currencies.
In the Euro area we can use for example backlight to make sure a 50€ bank note is a real one. Happy vacation!