The EUIPO is increasingly receiving trade mark applications containing terms relating to virtual goods and non-fungible tokens (#NFTs).
Here's the approach that the Office is taking for classification purposes: https://euipo.europa.eu/ohimportal/en/news-newsflash/-/asset_publisher/JLOyNNwVxGDF/content/pt-virtual-goods-non-fungible-tokens-and-the-metaverse
