They would need to solve that anyway in case 2 or more friends attempt to get in on the same ticket.
Not at all difficult - simply share screen a third device and display the rotating QR-code through e.g. zoom on individual phones. For additional trickery, try to split the group into joining multiple ticket scanning lines and timing the scan of the ticket to be as close as possible to eachother.
Not at all difficult - simply share screen a third device and display the rotating QR-code through e.g. zoom on individual phones. For additional trickery, try to split the group into joining multiple ticket scanning lines and timing the scan of the ticket to be as close as possible to eachother.