OKEx is a relatively new exchange that allows cryptocurrency investors to trade a wide variety of fiat and crytpo pairs. Although it is based in China, and caters to the Chinese market, it has a platform that is easy to use in all languages, and has quickly become one of the largest exchanges, by volume, in the world. The highly secure platform provides high liquidity, and has a number of other advantages.
OKEx has a user friendly interface that can be understood by all traders, regardless of their experience. Their platform is a good option for new crypto users because it supports trading of one of the widest varieties of different cryptocurrencies. It is also a good option for professional investors and day traders. They offer high trading limits, future contracts, and a number of other trading tools, including a block explorer.
Withdrawal Fee: 0.1% with a minimum of $15
Trading Fee: 0.2%

TopBTC is an exchange that has received varying reviews. Although TopBTC is known for having large trading volumes, the customer support is lacking and there are a variety of dead coins being traded. The company claims to be from Australia, but unlike other crypto currencies there, it is not a member of the Australian Digital Commerce Association(ADCA). TopBTC has also had many users claim that they were unable to withdraw funds.

Trading Fee: 0.2%
Withdrawal Fee: 0
Number of Tokens/Coins: 26

UPbit is a Korean exchange that was launched in October 2017 by Song Chi-Hyung, who is one of South Korea’s richest men. His company, Dunamu, is the holding company behind UPbit, was originally an online news aggregator, but quickly pivoted into Fintech, where it has done very well. UPbit is geared almost exclusively towards the Korean market, and offers a large number of BTC and Korean Wong pairs.
UPbit has very quickly become an important player in the Korean crypto market, and is one of the largest exchanges by trading volume in the country.
Trading Fee: 0.25%
Withdrawal Fee: 0.0005
Number of Tokens/Coins: 272