9 Downloadable digital files containing images, photographs, artworks and videos, authenticated by non-fungible tokens (NFT); electronic publications, downloadable; downloadable digital files representing artworks; downloadable digital images; downloadable digital video; downloadable virtual products in the form of computer programs authenticated by non-fungible tokens (NFT) offering the following products: books, catalogues, art images, videos, photographs, works and objects of art; downloadable software for providing access to an online virtual environment; software and computer programs for creating, viewing, importing, exporting, manipulating, editing, managing, indexing, cataloguing, sorting, organising, storing, transferring, synchronising, printing, as well as the exchange of digital photographs, graphic and digital images, data, text, audio and/or video sequences, documents and multimedia works; computer software for the management and verification of cryptocurrency and downloadable digital files authenticated by non-fungible token (NFT) transactions through using blockchain technology