Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento.
Magento Commerce 2.0 supports a variety of payment methods, services, and gateways that you can offer for your customers’ convenience.
These guidelines outline the requirements set by the Payment Card Industry (PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses.) for businesses that accept payment by credit card over the Internet.