This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Below is a sample of the emails you can expect to receive when signed up to CoinEgg.
Hi, Your Mail Code is: 677325. The code is only for CoinEgg and it expires in 10 minutes. If you did not request this, please do not enter the code elsewhere but change your password immediately. COINEGG coinegg.vip/coinegg.com