I have a Binance account but have only used Bitcoin for deposits and purchases of alt coins. Simplex will now ask us to verify our phone number through a 4-digit code and e-mail address through a verification e-mail. Next, I want to tell you about another one of its features — security. Tags: Bitcoin. You only need to check the trading fees of its competitors to understand why Binance is one of the most popular exchanges on the market. IO or Coinbase.