35 Advertising; commercial business management; commercial administration of the licensing of products for securing cryptographic private keys to authenticate transactions on the blockchain or in the cloud of others; office functions; dissemination of advertising material; newspaper subscription services arraigned for third parties; arranging subscriptions to telecommunication services for others; presentation of goods on any means of communication for retail sales, namely, online retail store services featuring products for securing cryptographic private keys to authenticate transactions on the blockchain or in the cloud; business management and organization consultancy; employment agencies; business management for freelance service providers; web site traffic optimization; organization of exhibitions for commercial or advertising purposes; online advertising on a computer network; rental of advertising time on all communication media; publication of advertising texts; rental of advertising space; dissemination of advertisements; public relations; company audits of financial statements; commercial intermediation services, namely, services connecting consumers and cryptocurrency banks; updating and maintenance of data in computer databases; updating and maintenance of data in registers; systematization of information in computer databases; retail store services in stores, via global computer networks, by catalog, by mail, by telephone, via radio and television featuring clothing, articles of clothing, t-shirts, sweaters, pullovers, shoes, headwear, caps, belts, gloves, scarves, underwear advertising on a computer network; rental of advertising time on all communication media; publication of advertising texts; rental of advertising space; dissemination of advertisements; public relations; company business audits; commercial intermediation services, namely, business intermediary services relating to the matching of various professionals with clients; updating and maintenance of data in computer databases; updating and maintenance of data in registers; systematization of information in computer databases; online retail store services in stores, via global computer networks, by catalog, by mail, by telephone, via radio and television, as well as via other electronic means featuring clothing, articles of clothing, t-shirts, sweaters, pullovers, shoes, headwear, caps, belts, gloves, scarves, underwear