HITBTC registerd in the UK in early 2015. The exchange offers USD, EUR, GBP to BTC as well as a collection of the most common crypto to crypto trading pairs. The volume has been steadily rising providing decent liquidity and a narrowing bid ask spread.
Bittrex is one of the larger crypto to crypto exchanges offerign a large number of trading pairs into bitcoin - including all the major cryptos such as darkcoin, nextcoin and litecoin. They also offer NeuCoin and Ethereum.
BitFinex offers three main functions - it is a pure bitcoin to fiat exchange, a margin trading exchange and a liquidity provider. The platform offers a number of features available that expand the financial positions you can take - for example the ability to short Bitcoin via margin trading.
OKEX is multi-cryptocurrency exchange allowing users to trade cryptos and fiat-backed tokens. OKEX also provides digital asset based futures with multiple leverage choices. OKEX has also built a suite of algorithmic trading tools designed for the professional traders. Additional products include a wallet, vault and a block explorer.
Binance is a cryptocurrency exchange with a focus on the Chinese market and other Chinese coins. Currently, it supports English and Chinese users. The Binance token (BNB) was created during the ICO event to fund the development of the Binance exchange.
Kucoin is a multi-cryptocurrency exchange with Service Centers based in China. Kucoin offers trading pairs such as BTC/BCH, BTC/DASH, BTC/NEO, BTC/ETH, BTC/RDN, BTC/LTC, BTC/CVC, BTC/KCS, BTC/RPX, etc. It also provides users with a mobile app available for iOS and Android.