Hello, security is a core component of all payment gateways, so every transaction that takes place between the merchant and the issuing bank is encrypted to protect sensitive financial information. For example PayAdmit (https://payadmit.com/), about which you can read detailed information at PayAdmit: Online Payment Processing | Payment system for the site, the service for accepting payment (https://payadmit.com/). It is an online payment gateway that allows small and medium-sized online merchants to accept credit card and electronic check payments from websites and automatically deposit funds into their bank account.