According to a recent data, on May 27th, the total transaction volume of Bitcoin's top 10 encrypted exchanges in the world was about 2.03 billion US dollars. Among them, Coinbase, Bitinx, Kraken and Bitstamp contributed the largest transaction volume. Share. Coinbase's trading volume reached $ 272 million, and Coinbase's trading volume reached $ 342 million. Bitfinex, Kraken, and Bitstamp were among the top five, with $312 million, $244 million, and $158 million in transactions, respectively.