Not exactly - on Hive, the "curation" part is really the upvotes (the hearts).

The basic way it works is that if you upvote something and it ends up getting a lot of upvotes, you get some sort of boost to rewards. And I think it makes a difference how early you upvote it (the earlier upvotes get more than the later ones I think).

Reblogging could technically help with that process, and it is technically a form of curation (based on the word), but it isn't directly part of the curation rewards in hive I believe.