It’s a system that has been used for concert tickets for ages now to try and stop touting. I’m surprised it took the club so long to implement it.
As for the technology, I’m sure there is some algorithm in there somewhere that allows the code to generate without a connection but which...
Not going but only because I had foot and leg surgery last week and I’m having to keep my leg raised at the moment. Planning to make it to the Villa game so apologies in advance to anyone stuck behind me limping up to the WSU.