I can say that it was really useful and one of my favorite exchanges when it was launched in 2017.
The user interface and features of the exchange are very easy and looks great. However, some process can be difficult for novice users. Because the language options it supports are very few. However, personally, I had no difficulty in using it because I know Russian.
Many cryptocurrencies, including BTC, are listed on the exchange. Clearing transactions with crypto currencies is very fast. In addition to being fast, transaction fees are also very low. However, buying and withdrawing crypto with price currency may result in slightly higher fees. In addition, as the price currency, we can buy crypto by bank transfer with USD and EUR currencies used in each country.
Despite all these features, the history of the stock market does not seem very clean. You can understand this even when you log into the website. Because there are many articles on the website that are unrelated to the stock market. Probably the stock market looks like it has been hacked. For this reason, I refused to use the exchange and find it risky.