Can I change the underlying fiat currency of my Monolith Visa® Debit Card? January 22, 2021 15:35 Updated No. The card uses either GBP (£) or EUR (€), and once you have selected your card currency, you are unable to change it. Related articles Can I pay in a different currency overseas from my Monolith Visa Debit Card? What currency do Monolith Visa® Debit Card refunds arrive in? Can I file for a refund if I am unsatisfied with my purchase? What tokens can I top up my Monolith Visa® Debit Card with?