Is it possible to read the QR code on the site?

Question

PHP

Are there ready-made solutions for the following: a qr code is printed on paper, I go to the site, press the button and show my printed qr code to the computer camera, then using (probably js) the client determines that it is qr, transfers it to the server and decrypts it.
Is it even possible?

Answer 1

buddy, let me teach you how to use the internet.
write in the address bar of your browser 4 words:
and press the Enter key