Coinchange is the platform that allows users to store cryptocurrency, get income from storage in the application, and exchange it for fiat currencies. Algorithms in the platform allow the purchase or sale of cryptocurrency at a more favourable rate, by connecting to decentralized and centralized exchanges. Main functions of the Application: - Fiat (money) currency and cryptocurrency deposits - Exchange of fiat currencies and cryptocurrencies - Withdrawal of fiat currencies and cryptocurrencies. - Creation of cryptocurrency savings accounts The functionality of the application: - registration - authorization - configuration and interaction with the database - data storage and hashing, in accordance with security protocols - module of buying and selling assets by th...