IDK about including a full HTML into a QR code (how would you even open it? Wouldn't a reader get confused expecting a URL or plain string?)
But...
You can publish portable secrets on your website (just make sure they aren't advertised/linked/crawled) and then create a QR code of the (secret-by-obscurity) URL.
IDK about including a full HTML into a QR code (how would you even open it? Wouldn't a reader get confused expecting a URL or plain string?)
But...
You can publish portable secrets on your website (just make sure they aren't advertised/linked/crawled) and then create a QR code of the (secret-by-obscurity) URL.