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Is it sensible to keep savings in a foreign currency?
Given that we live in a world rife with geopolitical risks such as Brexit and potential EU breakup, would you say it's advisable to keep some of cash savings in a foreign currency? Probably not.  Primarily because you don't know what will happen in the fallout of these sorts of political shifts.  You don't know what will happen to banking treaties between the various countries involved. If you can manage to place funds on deposit in a foreign bank/country in a currency other than your home currency and maintain the deposit insurance in that country and not spend too much exchanging your currency then there probably isn't a downside other than liquidity loss. If you're thinking I'll just wire some whatever currency to some bank in some foreign country in which you have no residency or citizenship consideration without considering deposit insurance just so you might protect some of your money from a possible future event I think you should stay away.