What is VBV / NON-VBV / AVS

VBV(Verified by Visa) :

                                                                                                 
                                                                                                       Extra verification process initially added by visa, there are different types of authentication used, most notably would be a password, date of birth, social security number, or mother's maiden name. Will send OTP to CC owner mobile No. or need secret Password when doing a transaction in any process.

NON-VBV (Verified by Visa) :

                              
                                                                                                                         Easy to use. No need for more info about CC like DOB ( Date of Birth ), SSN (Social Security Number ), MMN ( Mother Maiden Name ). Also, no need for OTP ( One Time Password ) when doing transactions. except when you satisfy the AVS ( Address Verification System ).

AVS (Address Verification System) :

                                                                                                                                                        A system used to verify the identity of the person claiming to own the credit card. The system will check the billing address of the credit card provided by the user with the address on file at the credit card company. This was an attempt to help identity theft and fraud over the internet.