V0127333

Public auction [auction]; online auction; retail services for works of art provided by art galleries; arranging and conducting art exhibitions for commercial or advertising purposes; professional artistic business management.

Authentication of works of art; block-chain as a service [BaaS]; data authentication via block-chain; construction of an Internet platform for electronic commerce; cross-platform conversion of digital content into other forms of digital content; hosting transaction platforms on the Internet; platform as a service [Paas]; platform as a service [PaaS] featuring software platforms for broadcasting images, audiovisual content, video content and messaging.