Yes, your card details must be entered into the VezoPay app to link your payment method to the ring. VezoPay does not store any personal information, credentials, or bank card details during registration. VezoPay operates in partnership with Fidesmo, a European token requester compliant with PCI DSS standards as well as Visa and Mastercard. Fidesmo utilizes advanced encryption protocols, ensuring the highest level of security when registering or activating your device.