CNICK has partnered with Fidesmo, a payment service provider that works with a range of banks. Simply connect your supported payment cards to your ring and enjoy seamless payments wherever Visa and MasterCard are accepted. If your card is not on our supported list, you can get a Curve digital card in just a few minutes. You can link any MasterCard, Visa, Discover, and even UK PayPal accountsto Curve. Once your Curve card is connected to your ring, any of your cards linked to Curve will also be connected to the ring.