So if it was a fun game (subjective) you would have no issue? It's a benefit for players to be able to earn coins ingame and exchange them with other currencie

So if it was a fun game (subjective) you would have no issue? It's a benefit for players to be able to earn coins ingame and exchange them with other currencies. The current status quo is you can only buy virtual currency in games, not sell them. Crypto in game gives more power to users.