Kraken is a US-based cryptocurrency exchange and one of the largest bitcoin exchanges in terms of volume and liquidity.
It provides Bitcoin pricing to the Bloomberg Terminal and has considerable influence on the overall crypto market. Kraken offers a number fiat funding and transfer options.
There are 18 BTC pairs and 16 USD pair to trade
Fees vary depending on the volume - for main trading pairs this is between 0.1-0.35% - however for other less common crypto pairs the range can be as low as 0.05% or as high as 0.75%. There are also 0% fees for some trades.
Withdrawals and deposits are variable depending on the method - although in general all fees are 0.19% with a $20 minimum.

Liquid is a blockchain platform that was created by the fintech company Quoine, that has a suite of blockchain powered financial services. Liquid is focused on providing liquidity to crypto industry. The platform offers a "worldbook" which is a multi-market order book that aggregates liquidity sources to one order book and supports trading in multiple currencies. Liquid has several features that are aimed at increasing the liquidity of crypto assets. The platform includes smart order routing, a currency conversion engine, fiat management, and other trading tools. Liquid is powered by the QASH token, which was released in an ICO that raised $105 million.

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