Highly suspicious, all winners have 1 post and newly created accounts. I have done more than 4000 rolls and never ever wins more than 10 cents.
So you mistrust the blockchain? As the sponsor of this 5 USD rewards has said, the faucet site has way more members than this forum. This is why. He even predicted that most postings would come from newbies.
Which blockchain? bitcoin address has no names, one entity can own billions of bitcoin address if that is what you mean. What I say is based on my experience playing on this website.