OKEx is Hong Kong’s leading pre-owned trading platform. OKEx was created by giant bitcoin company OkCoin.com (similar to Coinbase’s GDAX)
Pros & cons
OKEx also supports a few key features which users can access for additional security, including:
Mobile verification codes for withdrawal, changing password and security settings
Anti-phishing codes with every email from OKEx
The lack of charts TraidingView.