42 Software as a service (SaaS); Software as a service (SaaS) featuring software for machine learning; Consulting services in the field of software as a service (SaaS); Hosting services, software as a service, and rental of software; Software as a service (SaaS) featuring software for deep neural networks; Platforms for artificial intelligence as software as a service (SaaS); Software as a service (SaaS) services featuring software for machine learning, deep learning and deep neural networks; Software creation; Software development; Software engineering; Certification of data via blockchain; Data storage via blockchain; User authentication services using blockchain technology; Blockchain as a Service (BaaS)