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.
Other Payment Solutions
Magento Open Source 2.0 supports additional third-party payment gateways and solutions that offer merchant services in all parts of the world. Unlike some payment solutions that transfer control to another site to complete the transaction, a payment gatewayA service that charges your customers’ credit cards and sends the funds to your merchant account, for deposit into your business bank account. makes it possible for you to accept credit card payments directly from your store without the customer leaving your site. Payment gateways and solutions include: