Originally Posted by
WorldLux
To have some form of cash if the card does not work? It's never a bad idea to bring cash in case card payments are no longer possible ( card issuer blocking a card after detecting fraudulent transactions; payment system being down; etc. ). If you only have one card, then it's good to have some cash on you that can be exchanged for local currency.
But wouldn't it be a better idea to bring Euro? Shouldn't be a problem to get them at home.