Ticket touting
Could be coming to an end if Mark Cuban & co make this work.
Which there’s no reason why they won’t.
The blockchain exists for this.
“We’re talking about it for ticketing,” Cuban told Decrypt. “It completely changes the resale market, and if you tie it to an individual that has, let’s just say their social security number, and it’s been validated by multiple sources… then boom, you’re good to go, and the blockchain, depending on what you use, you can just put a little picture in there. And there’s your picture, and it’s immutable, and it’s there forever.”

https://decrypt.co/59760/mark-cuban-dallas-mavericks-blockchain-for-ticketing