Revolut, less bank fees while traveling!
Money is always an important issue, but especially while traveling across different countries as each country has its own currency, so the needs to widraw money will differ and be constant. Probably, for safety reasons, you cannot take with you all the money you will need for the whole trip. You will have to withdraw money or use debit/credit cards, which is not always possible. The bank fees related to this type of transactions tend to be extremely high, including sometimes