Poloniex is a cryptocurrency exchange that allows users to buy or sell digital assets such as Bitcoin, Ethereum, TRON, and other altcoins.The exchange has low trading fees and supports over 350 cryptocurrencies.Poloniex has a General Troubleshooting page on their support website that provides users with possible solutions to common issues. Phemex is trading platform is designed to be user-friendly and intuitive, with a customizable interface that allows users to tailor the platform to their specific needs. Binance vs Coinbase is the largest cryptocurrency trading platform in terms of sheer trading volume. The popularity of Binance is mainly due to the fact that it’s globally oriented. Available in 180 countries, Binance allows you to buy and sell over 500 different types of cryptocurrency from all over the globe—unless you’re American.