Critterz was yet another one of those blockchain games, but they made a fatal mistake: they built their virtual sweatshop on Minecraft, whose parent company, Mojang (a subsidiary of Microsoft), banned NFT integration, stating: "blockchain technologies are not permitted to be integrated inside our Minecraft client and server applications nor may they be utilized to create NFTs associated with any in-game content, including worlds, skins, personal items, or other mods."
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