Quote from: epinay on September 01, 2017, 05:58:29 PM

Bittrex is the most populat so is the best choose

Because a site is the most popular it doesn't mean it is the best. It may be because people don't have many alternatives and can accept to get restricted somewhere (for example a feature or something like that) With all the Poloniex recent problems people had to switch somewhere and Bittrex look a good alternative.
In fact, the popularity of Bittrex was decreasing since last year, and only since April/May it is becoming more popular