what is bitcoin currency

Hello. My name is Aleksandra. I earn money in a cloudy mining. The project pays perfectly, and I believe that it will replace to me the main work soon. So far I earn about 500 dollars a month. If you make registration according to this link of http://qps.ru/791L6, receive still as a gift 15 additional units which will already start earning to you money.
If you have questions, write to Skype – bit.mon