blogs - ******** attribute - help

i know that disqus blogs have the ******** attribute..
but are these the only kind of it??
what other type of blogs have ******** attribute.
when i search google, everyblog i see has a nofollow thing!!
help needed. what other type of blogs have the ******** attribute?

omg.. even some of the disqus blogs are nofollow..

guys.. isn't there anyone who knows about it..
c'mon mates, i need it very urgently, just gimme a tip