What is the K-code verification code when the Agricultural Bank of China pays online?

K code is a group of dynamic passwords composed of numbers. During the payment process, ABC sends it to the bank card in the form of SMS.

(Debit card, quasi-credit card or credit card) Cardholder (that is, customer), the customer inputs the K code into the corresponding input box, and the bank passes.

Verify the K code to complete the customer identity verification and complete the payment. Signing K code payment requires SMS notification service.