Sure, Ticketmaster sucks. But just to give one example, 11 years after Tim Berners Lee invented the web, Ticketmaster was selling tickets to the 2004 Olympic Games online: https://web.archive.org/web/20040206011648/http://www.ticket...

The Bitcoin paper was published in 2008. It’s been almost 15 years now - plus all of the advantages that you have with modern development practices that were unavailable in the early 2000s - and yet still nobody uses blockchain at scale for this use case.

If this worked better than existing options at a lower cost, then businesses would be rushing to adopt it.