Does anyone have any specifics about how they are collecting these? Do I have to register somewhere? Do I HAVE to use the same username and email I used for the Dreamforce registration? It is confusing since it keeps telling you to make new DEs, am I supposed to use only one Trailhead account and a bumch of DEs? How do I make sure I used the correct credentials?

Does anyone have any specifics about how they are collecting these? Do I have to register somewhere? Do I HAVE to use the same username and email I used for the Dreamforce registration? It is confusing since it keeps telling you to make new DEs, am I supposed to use only one Trailhead account and a bumch of DEs? How do I make sure I used the correct credentials?