According the FAQ
"The rule is that you should top up in the currency that your bank account is held in. ----
Please note, if you are topping up via a bank transfer outside of the EU your bank may charge you a large international wire transfer fee"
In the reality the Revolt card only can top up with EUR and GBP. If you have a other currency, even within Europa exp. Swedish krona you must first convert to EUR and after excepts the money of Revolt. In this case I do not understand what use I have of the card.