Digital collectibles in the nature of downloadable image files of computerized board game components authenticated by non-fungible tokens (NFTs); digital collectibles in the nature of downloadable multimedia files containing text in the field of computerized word game components authenticated by non-fungible tokens (NFTs); downloadable computer game software; downloadable game software for use on mobile and cellular phones; downloadable image files containing trading cards authenticated by non-fungible tokens (NFTs); downloadable mobile applications for video games.