This is an XRP payment gateway for wc, using Payburner.

payburner

This gateway allows you to accept XRP payment on wc enabled wp sites using the Payburner service. Payburner is an XRP wallet deployed as a browser extension.
This WordPress plugin imports two javascript files from https://www.payburner.com in order to connect the page to the browser extension and to render and control the Payburner pay button.
The source code for these two javascript files is located at:
https://github.com/payburner/payburner.js 
https://github.com/payburner/paybutton.js
payburner.js interacts solely with the payburner browser extension which can be found at https://chrome.google.com/webstore/detail/payburner-browser-extensi/ghigcfhmoaokccllienfhdhdndkfhmop
The browser extension itself is a what is called a non-custodial hot wallet. The users maintain full control over the wallet and their funds.
paybutton.js interacts with https://gateway.payburner.com to manage the status of the payment on the payburner payment gateway.
On the back end, the php class class-payburner-api.php interacts with https://gateway.payburner.com to check the payment status.
The privacy policy of Payburner and its related sites, including https://www.payburner.com and https://gateway.payburner.com can be found at: https://www.payburner.com/payburner-privacy-policy.txt

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