Cryptonex platform is developed as international acquiring and is based on blockсhain technology. Safe system based on blockchain technology is protected against unauthorized access. Users can convert fiat money to any cryptocurrencies and tokens, as well as spend cryptocurrency with the help of bank cards and mobile applications with contactless payments. Cryptonex is developed as an open-source code platform. To account for property rights, the cryptocurrency of the same name Cryptonex, ticker CNX is used.