Everyone may have their own criteria for choosing a suitable exchange. Some choose it based on the trading fee, some based on the features of the trading section, and some based on the types of trades offered in the exchange.
People who do futures trading mostly do it on pair usdt-btc. But others are interested in trading on different altcoins, which the exchange has offered about 20 pairs related to altcoins in this section.
Bluehelix has registration based on mobile number and email. Those who do not want to do this with a mobile number can do so via the email section.
The full possibilities of performing analysis on the currency chart also make traders not need other places to do the analysis.