OceanEx is a centralized cryptocurrency exchange founded in November 2018. The company has headquarters in the Cayman Islands. Among the core members of the OceanEx team, there are people who worked in CISCO, Samsung Research, Baidu, Morgan Stanely, and some other big companies.
Altcoin Trader is a Centralized cryptocurrency exchange based in South Africa. The exchange was launched in 2014. Altcoin Trader has 20 available trading pairs and 21 coins. The exchange uses the Ordinary procedure for verification including two-step verification process and Know Your Customer (KYC) procedure. If you want to raise the account limits and minimize processing time you must go all the way, uploading ID card, proof of residence, etc.
The most important thing we should know about C-Cex exchange today is that this platform is currently not active. The exchange has suspended its services on June 1, 2019. The website is down, too. Those who didn't withdraw their assets from the C-Cex account cannot do that since June 1.