What are some alternatives?
When comparing Coinbase and Poloniex, you can also consider the following products
Binance - Cryptocurrencies exchange platform
Kraken - Kraken is a robust, ultra-fast image optimizer. Thanks to its vast array of optimization algorithms Kraken is a world ahead of other tools. Want to save bandwidth and improve your website's load times? Look no further and welcome to Kraken!
changelly - Exchange alternative cryptocurrencies.
Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
Uphold - Move, convert, transact and hold any form of money or commodity. Instantly, securely and for free.
ShapeShift - Buy cryptocurrency instantly without the need of an account.