topic Would Visa/MC 8-bi change affect credit card algorithm? in Integration and Testing https://community.developer.cybersource.com/t5/Integration-and-Testing/Would-Visa-MC-8-bi-change-affect-credit-card-algorithm/m-p/81218#M51199 <P>I'm wondering if this 8-bin change would somehow affect the existing&nbsp;Luhn algorithm? I'm still using custom JavaScript functions to pre-verify credit card entry format and identifiying card type by number.&nbsp;</P><P>I personally don't see they would be acffected but better to double check....</P> Fri, 11 Feb 2022 16:49:59 GMT jazar 2022-02-11T16:49:59Z Would Visa/MC 8-bi change affect credit card algorithm? https://community.developer.cybersource.com/t5/Integration-and-Testing/Would-Visa-MC-8-bi-change-affect-credit-card-algorithm/m-p/81218#M51199 <P>I'm wondering if this 8-bin change would somehow affect the existing&nbsp;Luhn algorithm? I'm still using custom JavaScript functions to pre-verify credit card entry format and identifiying card type by number.&nbsp;</P><P>I personally don't see they would be acffected but better to double check....</P> Fri, 11 Feb 2022 16:49:59 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Would-Visa-MC-8-bi-change-affect-credit-card-algorithm/m-p/81218#M51199 jazar 2022-02-11T16:49:59Z