Just fill in your credit card. When placing an order, click place your order and Amazon will automatically deduct the money. Online payments in the United States do not require entering a password like in China. Amazon in the United States does not even require CCV verification.
Because credit card payment does not require a password or any form of verification code, the reason why most other websites require verification is to protect the credit card owner or the bank that issued the credit card. Amazon believes that the card number and name are enough to verify identity. In addition, generally, a password is not required for online payment with a credit card, because credit cards do not have passwords. Generally, what is needed is the verification code on the back of the card andor the issuing bank andor the name of the card owner