store-credit
There are 3 repositories under store-credit topic.
solidusio-contrib/solidus_virtual_gift_card
Virtual gift cards for your Solidus store.
abdelrahman146/digital-wallet
Proof of Concept for a digital wallet system
magetop/magento2-store-credit
Using this plugin you can allow your customers to purchase the credits and later they can use their credits for the future purchases on your Magento store.