Computer software for creating, managing, accessing groups within virtual communities; computer program (software) for a downloadable blockchain-based virtual currency; downloadable computer software applications; downloadable multimedia file; downloadable electronic books; software for collection, management, editing, organization, correction, transmission, sharing, storage of data and information; computer software for wireless content, data, information transmission; blockchain-based electronic wallet for virtual currency exchange; blockchain-based computer database; computer software for interaction with social networks and online communities; applications as computer software providing social networking functions; software; smartphone app applications (software); computer software for receiving and sending electronic messages, warnings, notices, reminders; e-wallets; electronic coupons; electronic money issuing device; augmented reality software; computer software