WooCommerce - Account Funds v2.1.10

Account Funds will allow your customers to deposit funds into their accounts for which you can reward them with discounts. Allow your customers to deposit funds into their accounts and reward them for doing so! The Account Funds extension helps build customer loyalty and repeat business by ensuring that your customers spend their funds only on your store! Reward them by giving them exclusive discounts and instant order processing if they pay using their Account Funds.

DEMO:
https://woocommerce.com/products/account-funds/