I am not a WhatsApp user.<p>What are these QR codes and why does the author of this article say this?<p><pre><code> > What all can get stolen:
>
> 1.Anything & everything that you have shared via WhatsApp, like
> bank details, passwords, private pics, personal messages, etc.
>
> 2.Your entire contacts list
>
> 3.Your complete chat data
>
> 4.Your personal information
</code></pre>
What's the legit use for these QR codes?