Whoever it is just started a third Round with an initial deposit of 2 BTC!
The ones that are official, and reliable to be paid are the ones that both Geek-trader and myself have started.
Don't play any other rounds at this time. I was testing the idea before inclusion as a host feature for starting a new game, where the "host fees" area would adjust upward to cover the indicated payout under host settings, on nth bet.
I'm looking at IP logs, and if it's a residential address, he will go on the wall of shame, and his IP address will be permanently banned.