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 tokens are available on the wallet? It’s been longer than 15 business days and I have not received my card. What documents are required for verification when ordering a Monolith Visa® debit card?