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Hackers steal NFTs worth millions. In other news, NFTs worth millions.
(www.theblock.co)
This is a most excellent place for technology news and articles.
Well, digital trading card games do exist of course, but often you can't even trade cards. And much less sell them for real money. With an NFT in theory you could do what you want with the card, like give it to your buddy for 10 bucks and you don't even have to use the game client for it.
The problem here is that the card itself is in the game code, so you can freely move ownership, but the game could just remove the card and make your NFT worthless.