Many companies that want to use the blockchain and pay for cryptocurrency find their partners among wallets or exchanges. I think this is a positive collaboration. Then the game world receives unique collectible items or cards that are tokens, which allows you to enjoy the game and receive a valuable asset that can be exchanged on the exchange.
Games on the blockchain or with the integration of tokens, collection items, definitely increase interest. Now the game has got real value - you spend time on it, you get paid for it. Although I prefer blogging on Taklimakan platform it is more effectively than gaming. There are many recommendations of traders and useful information for investors, a cool community. So do not spend all the time in the game when you can share experiences and earn money.