The default way to sign in: you enter your email address and use the link you receive by email, with no password at all. The link is time-limited and single-use. You can request a new one on the sign-in page.
More on this: Register and log in.
German: Login-LinkUpdated September 07, 2026
The default way to sign in: you enter your email address and use the link you receive by email, with no password at all. The link is time-limited and single-use. You can request a new one on the sign-in page.
More on this: Register and log in.