Poloniex is an established crypto to crypto exchange that is based in the United States. It offers a large selection of tokens to trade and has high liquidity. Poloniex was hacked in 2014, and lost more than 12% of their bitcoin supply. They have improved their security protocols since then. In February, 2018 Poloniex was acquired by Circle, one of the largest crypto payment providers.

Trading Fee: 0%-0.1% Maker and 0%-0.2% Taker
Deposit Fee: Varying Depending on blockchain fees
Withdrawal Fee: Varying Depending on blockchain fees
Number of Tokens/Coins: 97

United Traders is a Russian-based software company that is developing an investment marketplace and crytpocurrency exchange. Their Aurora platform allows traders to access some of the largest traditional asset exchanges. The UTExchange will offer smart-route technology to address liquidity problems that face cryptocurrencies with smaller trading volumes.

Bibox is an exchange based in China. The platform offers a range of currency pairs and has a native Bibox token, that gives users a 50% discount on trading fees.
Bibox is aiming to position itself as an AI enhanced crypto exchange. It delivers unified market entry and exit data that has been screened and filtered. This provides users with optimal deals on the most pairings available. This is a key feature for the highly volatile crypto market, that has many arbitrage opportunities.
Bibox has a number of security features such as, Google and SMS Authentication, as well as a quadruple layer of passwords. The site also has a complete login record to keep track of account activity.