The fact that the information on co-founders, top management, and company ownership is so lackluster, as well as the fact that Poloniex has no actual physical offices registered have raised questions about the and legitimacy of their business. You can toggle between these by clicking the Exchange button on the Binance home page. It also implements features like automatic funds borrowing and negative balance protection which make margin trading more beginner friendly. Depositing and withdrawing is free for all cryptocurrencies. The first factor I personally consider before reaching a final verdict about any Bitcoin exchange is the fee it charges for the transactions because each Bitcoin exchange charges different fees for its services. A notable feature of Bitstamp is direct cryptocurrency deposits or withdrawals are free. Against all the doubts, Poloniex has continued to grow in terms of its user base, transaction volumes and the number of cryptos it supports.