Wirex USD is a currency account compatible with cryptocurrency. It allows you to store, transfer, and trade between cryptocurrencies (such as Bitcoin) and fiat currencies (such as British pounds, Euros, and U.S. dollars). You can also use the Wirex USD Mastercard debit card to shop in stores and online. Wirex Visa card. The card can be topped up by bank transfer, credit or debit card or using existing tokens. It is available in British Pounds, Euros and U.S. Dollars. The Wirex USD card is a Bitcoin debit card that can be purchased in virtual (Visa) and physical formats (MasterCard).The Wirex card costs are reasonable and competitive. Setting up a Wirex account is free, as is the issuance and delivery of physical cards. There are also no national transaction fees or download fees. In a recently released update, Wirex also deletes an account every month. The management fee he charges you. The way Wirex works is very simple. Apply for the debit card that came with your account and you will usually receive it within a week. Received the card in the month. Once delivered to you, you will be connected to the Wirex bank account application (your "wallet") on your phone. To use the card, you only need to put money in your wallet. This can be done by credit card, debit card or bank transfer. There is no transfer fee, and this happens immediately.