PHP 7.3 reaches end of support in December 2021 and Adobe Commerce 2.3.x reaches end of support in April 2022. We strongly recommend planning your upgrade now to Adobe Commerce 2.4.x and PHP 7.4.x to help maintain PCI compliance.

Magento_Reward

Magento\Reward module allows an online merchant to implement unique programs designed to enhance user experience and increase customer loyalty. Points are awarded based on a wide range of transaction and customer activities, with the ability for the merchant to control point allotment, balance, and expiration. Customers can redeem points toward purchases based on a conversion rate between points and currency that is set up by the merchant.