There's a simple way to solve this. Companies could just require everybody to enter a name and surname of the person the ticket is bought for. There's the issu

There's a simple way to solve this. Companies could just require everybody to enter a name and surname of the person the ticket is bought for. There's the issue of people who later discover that they can't go to a show they have a ticket for, but that can be solved by allowing them to return their tickets to the general pool and giving them (some of) their money back.