Block unconfirmed US addresses/Users without a PayPal account

The Braintree plugin doesn’t have a way of knowing if a US address is confirmed or not. You would need to utilize another plugin for that functionality.

You can disable PayPal’s guest checkout feature, which means a PayPal account is required in order to use PayPal. You would do that on the Website preferences page.

https://www.paypal.com/businessmanage/preferences/website

Kind Regards