In general, I completely agree (though I have never seen it happen before). This is not a link, however, but a bitcoin address encoded as a QR code.
I - as do many others - have a Bitcoin wallet application with some change on my phone. Having the QR code here makes it easier to contribute something.
I - as do many others - have a Bitcoin wallet application with some change on my phone. Having the QR code here makes it easier to contribute something.