When we are newbies we use the tags that we see in the publications of other users and we select them at random, the truth is that that puts us at risk of obtaining a DV and it is not pleasant at all.
I started using #proofofbrain by posting from another community and got a reward in the same way. On the other hand, other communities do not offer votes to those who do not publish from their front ... so the POB makes a difference in the tockens