Last week, Meta announced that they developed a web browser add-on – Code Verify – to verify the code being served to browser. As the reason of developing this extension, more and more people are using WhatsApp Web day by day after introduced multi-device capability last year. The company thinks this is another layer of security.
Instead of a mobile application, a web browser application may cause more security concerns. “There are many factors that could weaken the security of a web browser that don’t exist in the mobile app space, such as browser extensions” said in the post that announcing the add-on of Meta.
Developing the extension is a partnership with Meta and Cloudflare to provide independent, third-party, transparent verification of the code.
You can find download links and more information on how it works here.