BTC Dice 0.0061%

Could you clarify what you mean by BTC Dice 0.0061%? Are you asking for the ownership/operating entity of btcdice.com, or for a definition of the BTC-Dice brand and its history? The exact ownership details of btcdice.com are not publicly documented in a straightforward, reliable source. If you want, I can look up current information and provide precise dates and sources.