Mobile Application for Organizing a Video Conferencing Based on Blockchain

The project goal is to build a system for online video consultations which uses advantages of blockchain technology to provide better capabilities for fraud protection for clients and consultants than other currently existing solutions have. The system consists of the following components: • Mobile application for iOS platform written in Swift and Objective-C which uses WebRTC technology for peer-to-peer video calls and which communicates with Ethereum blockchain to provide funds transfer functionality with increased protection from fraud; • Ethereum Smart contracts written in Solidity programming language; • Application-server which consists of the following functional parts: business logic server, signal server and messaging server; Application server is developed on Java programming language and uses following frameworks and libraries: Spring Boot, Spring MVC, Spring Data JPA, SpringWebSocket and Bouncy Castle; • The PostgreSQL database for storing non-sensitive data. Key words: Blockchain; iOS; Ethereum; WebRTC; PostgreSQL; Spring; Java;