What is a cash program?

[DeniroEnn]

Hello everyone, who can explain to me what a cash register program is and what its functions are, is it possible to integrate such a program into an online store?

[Medel]

Hello, the payment gateway is a technical solution that allows online business owners to accept payments on the site using bank cards and ensures customer data verification in the shortest possible time. This gateway is the link between your site and the acquiring partner. A payment gateway is required to make any payments via the Internet, including Cryptocurrency Payments. To ensure the secure transfer of payment information between the buyer, the online merchant and the acquirer, a payment gateway that protects card data by encrypting the buyer's sensitive data such as the card number.