I suspect you may be thinking of OpenID - see the Wikipedia article. Dreamwidth is an OpenID source, Wikipedia also lists Google, Yahoo!, PayPal, BBC, AOL, MySpace, IBM, Steam, Sherdog, Orange and VeriSign.
IIRC, one of my friends set up his home server to handle OpenID requests. I may have to check sometime to see how impossible it is.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
mmmag
no subject
Date: 2012-08-20 08:32 pm (UTC)IIRC, one of my friends set up his home server to handle OpenID requests. I may have to check sometime to see how impossible it is.