Read the book Ticket Masters. Explains how they've basically formed a monopoly via their merger with LiveNation - Ticket Master controls all major venues and thus all ticketing systems.
Axie is built on Ethereum, meaning in-game assets (NFTs) are technically transferrable off-platform.
Vitalik (creator of Ethereum) attributed one of his reasons for creating Ethereum to Blizzard taking away one of his in-game items in World of Warcraft in 2010:
"I was born in 1994 in Russia and moved to Canada in 2000, where I went to school. I happily played World of Warcraft during 2007-2010, but one day Blizzard removed the damage component from my beloved warlock's Siphon Life spell. I cried myself to sleep, and on that day I realized what horrors centralized services can bring. I soon decided to quit."
If anyone is looking for a gift card provider to send gift cards via email, try out Tremendous! We use and love them. Nice APIs and super simple to integrate.