What are some alternatives?
When comparing Kraken and Binance, you can also consider the following products
Coinbase - Bitcoin, safe and easy.
Bitfinex - Bitfinex is the largest and most advanced crypto-currencies trading platform.
LocalBitcoins.com - LocalBitcoins.com is a person-to-person bitcoin trading site.
Uphold - Move, convert, transact and hold any form of money or commodity. Instantly, securely and for free.
Electrum - Electrum is an easy to use Bitcoin client.
Poloniex - US-based cryptocurrency exchange with maximum security