Here
privacy is done by Star Student Project
DSA algorithm. DSA algorithm generates user key to achieve security. It sends
user key when the client complete their registration. If the client provide
wrong email id then the client cannot get their user key.
https://www.blogger.com/blogger.g?blogID=8455578136612679850#editor/target=post;postID=7856665667426268842
https://www.blogger.com/blogger.g?blogID=8455578136612679850#editor/target=post;postID=7856665667426268842