35 Marketing and promotional services in the field of computer technologies; Marketing and promotional services in the field of computer technologies, namely for promoting computer programming languages and other companies developing programming languages; Marketing and promotional services on a decentralized platform, in the field of computer technologies, namely for promoting programming languages and other companies developing programming languages; Marketing and promotional services in the field of blockchain-based technologies, namely for marketing and promoting programming languages; Marketing and promotional services in the field of blockchain-based technologies, namely for marketing and promoting programming languages and other companies developing programming languages; Promotional services, namely, providing a website featuring promotional information related to blockchain programming languages; Promotional services, namely, providing a website on a decentralized platform featuring promotional information related to blockchain programming languages; Developing and providing resources, namely, dissemination of advertising materials to business and individuals for promotional purposes in the field of blockchain-related technologies, namely, related to programming languages; Providing resources, namely, dissemination of advertising materials to business and individuals for promotional purposes in the field of blockchain-related technologies, namely, related to programming languages