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NFTs can represent any kind of digital file: JPG, GIF, MP3, FLAC, MP4, AVI, or PDF. Artists can use the NFT’s blockchain technology to mint tokens to follow and monetise their creations. Holo-NFTs use a kind of augmented reality technology called Desktop AR. The most basic version just needs those red and blue glasses but if you have a special 3D display, you can view NFT in full colour. A holographic NFT can take the Mona Lisa, digitise it into a 3D model, and then project it from your screen.