According to users' reviews, the GDAX exchange...

According to users’ reviews, the GDAX exchange offers its customers a large number of useful services, but it is not without its drawbacks. Among the main disadvantages, users highlight the limitation of access to some trading pairs, depending on the trader’s country of residence, as well as the lack of mobile applications. In general, traders describe the exchange as sufficiently reliable, with minor inconveniences that do not greatly affect the trade. What are your opinions about the exchange GDAX? Did you have any problems when working here and what are your general impressions?