It is a big scam. I Know because I was tricked into this and lost all that was invested. They will make you start with a small amount of money to open and set up your account. Then one of these so called account managers will get in contact with you to set up your pass words and take you through the impressive and professional looking screen showing all the bitcoin values and trades. All looks real and reflect a true and current market prices. Then you will be asked to make your further payment from your account to their nominated account and the swindle and fraud begins. In front of your eyes the the trading will start and movement of profets and lost displayed on your screen and reflected on your account. They will trade on your behalf for 2 or 3 time a week and show you how much you made with some impressive gains and a lot of smooth talks. Then you will be asked if you have questions or even ask you to make some withdrawals and in no time you will find the withdrawed money in your account. From this point on you get regular reports of market movements and the big winners. Then you are urged to make more contribution so you don't miss out. Also will be asked if you have any friends that would join in and be part of this and you'd be offered an incentives for that. They may let you make some limited withdrawals as long as they expect more catch from you. Once you think you have invested enough and requested to make more withdrawals then they will first start to convince you that they are expecting hudge increase in the market and it is not good time to make withdrawal. If you insist then they will switch every thing off and disconnect their contact details and that is the end of your dream investment. So please be warbed, It is a scam - There is no excuse for those who were warned.