Sort:  

Perhaps, like an anchor bot that attaches itself to potential gold mine? It could be, a nice theory.

Or maybe their are upvoting their own content, and they need to camouflage themselves between more people.

I noticed someone replying to my post and upvoting it. The account made more than my few cents on the post.

Coin Marketplace

STEEM 0.18
TRX 0.16
JST 0.030
BTC 62416.00
ETH 2447.19
USDT 1.00
SBD 2.62