You can securely manage all of your registered payment methods from your account settings if you're using the Mobile app, or the deposit screen if you're using a browser.
How to Manage Your Payment Methods on the Mobile App
From here, you can add or remove any of your payment method information, such as credit or credit cards, bank connections, and stored bank details.
How to Manage Your Payment Methods on a Browser
Head over to your Dashboard and select the "Add Cash" option.
From here, select the currency you plan to deposit.
Click on "Change", and then select the payment method of the bank details you want to manage.
From here, you can manage your different payment methods.