42 Scientific and technological services, as well as research and design related thereto; industrial analysis and research services; design and development of computers and computer programs; computer-assisted hosting of interactive virtual community platforms for enabling individuals to buy, lend, exchange, sell, share or exchange goods and services; providing temporary use of online non-downloadable software for creating an online community enabling registered users to participate in discussions, receive feedback from their peers, form virtual communities and engage in social networking; technical advice in the field of designing software to create online communities enabling registered users to participate in discussions, receive feedback from their peers, form virtual communities and engage in social networking; programming customized web pages featuring information, personal profiles and information defined by users and third parties; designing, developing, updating and maintaining software, application software for the Internet and social media platforms; providing a website with online non-downloadable software enabling users to list, organize and assess the exchange of information and services, in particular in the field of time banks; providing temporary use of non-downloadable software for managing electronic databases and for information sharing functions enabling the profiling, organization, assessment and exchange of information and services between users of a time bank; hosting via computer media of a platform providing time bank services for exchanging services between participants using time as money; providing temporary use of non-downloadable software for collecting, transferring, receiving, tracking, storing and transferring cryptocurrencies and time credits; providing temporary use of non-downloadable software for collecting, transferring, receiving, tracking, storing and transferring virtual currency and time credits via an open source peer network; computer-assisted hosting of an online community enabling users to share, comment on and find information about problems relating to virtual currency via an open source network of peers; providing temporary use of non-downloadable software for accessing, reading, detecting and using blockchain technology; design and development of computer hardware and software; updating of software; information technology (IT) consultancy; advice on designing and developing computers