Everyone repeats the same fact about QR codes: you can destroy about 30% of one and it still scans. It is the reason people put logos in the middle of them, and it is the reason a scuffed parking sign still works. I wanted to see it happen, so I generated codes at all four error-correction leve...
Source: [Dev.to](https://dev.to/remdore/a-sticker-over-15-of-a-qr-code-is-fine-erasing-07-of-it-kills-the-code-2020)