BTC has brought about many new things like new altcoins and even platforms using coins for buying and selling. Take for instance this new blockchain venture at Xarcade.io I wrote a blog about them. I think this is one example of a very clever and beneficial use of blockchain technology for game developers and users.

https://steemit.com/xar/@yomaicoin/xarcade-xar-blockchain-for-gamers-and-developers