Bit-Z is a Hong Kong-based cryptocurrency exchange that was launched towards the end of 2016. It is one of the top ten crypto exchanges around the world in terms of the reported trading volume.
BigONE is a centralized cryptocurrency exchange. The exchange was launched in 2017. Its reported volume is about 180-200 mln. $. BigONE has 117 available trading pairs and 75 coins. Deposits are free on the exchange. BigONE doesn't have fiat deposits option. Margin trading option is not available on the exchange.
Withdrawal fees can reach up to 0.0002 BTC.