After PP is associated with a credit card, the pre-authorization of 1 USD will be frozen on the card, and then 1.95 USD will be deducted to generate a credit card bill. You need to confirm the credit card bill and get the PayPal four-digit code above to confirm your credit card.
After credit card authentication, 1 USD will be returned to your credit card, and 1.95 USD will be returned to your PayPal account.