Firefox Multi-Account Containers – Get this Extension for

Firefox Sync is built into the desktop versions of Firefox, as well as Firefox for Android and Firefox for iOS. Firefox Sync synchronizes state and configuration data used by the browser, such as bookmarks, history, preferences, bookmarks, and so forth among all your devices. Async/Await Arrive in Firefox - Mozilla Hacks - the Web Dec 07, 2016 Firefox Sync not working? Fix common Firefox sync issues Jun 01, 2018 Firefox - Roku

According to Mozilla's article, Firefox Sync's new security model, Firefox servers are not able to decrypt your sync data without your password. So I figure that the browser generates a key from your password, encrypts the data and sends it over the wire without the key.

How to Use Tor with Firefox (with Pictures) - wikiHow Jun 30, 2020 What is Firefox Sync? - TechnoGadge

Firefox Sync not working? Fix common Firefox sync issues

[Fix] Firefox Sync Not Working for All Preferences