What is the best cryptocurrency exchange?

In early 2020, Bloomberg News reported the largest cryptocurrency exchange based on the volume and estimated revenues data collected by CoinMarketCap.Similar statistics was reported on Statista in a survey by Encrybit to understand cryptocurrency exchange problems. According to the survey, the top three cryptocurrency exchanges are Binance, Huobi, and OKEX. Other data points in the survey included the problems that cryptocurrency traders experience with cryptocurrency exchange

 and the expectation of traders. Security and high trading fees are the top concerns. The exchanges are all fairly new and privately held. Several do not report basic information such as the names of the owners, financial data, or even the location of the business.

Largest cryptocurrency exchange (2020):

Binance MLT.

Upbit ROK.

Huobi SIN.

Bithumb KOR.

OKEx MLT.

Bitfinex HK.

Coinbase USA.

Bitstamp GBR.