All stored data are solely for display purpose to the logged in user and other users of this site. This is in accordance to the German data protection laws - DSGVO.
This web plattform does not store credentials in plain text. Both username and password are stored with cryptographic sound hash algorythms. To enhance the security the hashing is done multiple times.
To login just enter your credentials. If you don't have an account yet, just pretend that you have one, the system will automatically create an account for you and send you an email to activate your account.