cryptonex is an exchange that allows you to buy and sell cryptocurrencies with traditional currencies, and this is a great idea because in most exchanges, such as binance, buying cryptocurrencies with fiat currencies is only possible for a limited number of fiats ( Like btc with usd), but cryptonex supports several fiats like EUR, USD, RUB which make it easy for users in different countries. Of course, in addition to this, the most important advantage is the relatively low fees compared to most