See "Rollbits"
They created NFTs and the owner NFTs get a few benefits like Rakeback from the platform, the higher rarity of NFTs more reward you can get. Some typical NFTs like Cars, Horse, Dog Race could be category as gamble while you need to pay some token/money to enter the race.
They have interesting features in mind:
NFTS WITH BROAD UTILITY FROM DAY 1!
Rollbots provide special privileges such as:
- the ability to create your own Rollboxes,
- profit sharing from all revenue generated by a portfolio of new Rollbot-themed games,
- access to an exclusive Rollbot Lottery, where Rollbot holders perpetually earn tickets for our weekly draws,
- an enhanced reward program for your Rollbit casino & trading account.
As I see, the introduction of NFTs in gambling industry could work as the evolution of casino bankroll investments. But instead of depositing money to generate passive income from it, you purchase a NFT that will ensure you have access to profitable premium features inside the platform. The idea is really good, but we need to see how it will work in practice.