authentication of works of art; cross-platform conversion of digital content into other forms of digital content; providing user authentication services using blockchain-based software technology for cryptocurrency transactions; design of websites used for electronic commerce for others; hosting websites for others used for commercial transactions on the Internet; authentication of data in the field of works of art using blockchain technology; platform as a service [Paas] featuring computer software platforms for conducting auctions and facilitating transactions in the field of works of art; platform as a service [PaaS] featuring computer software platforms for broadcasting images, audiovisual content, video content and messaging for use in the field of works of art
authentication of works of art; cross-platform conversion of digital content into other forms of digital content; providing user authentication services using blockchain-based software technology for cryptocurrency transactions; design of websites used for electronic commerce for others; hosting websites for others used for commercial transactions on the Internet; authentication of data in the field of works of art using blockchain technology; platform as a service [Paas] featuring computer software platforms for conducting auctions and facilitating transactions in the field of works of art; platform as a service [PaaS] featuring computer software platforms for broadcasting images, audiovisual content, video content and messaging for use in the field of works of art
authentication of works of art; cross-platform conversion of digital c...