is bitcoin open way forward money launderer to get safe money,i asked that because its appear that bitcoins is verry hard to control or track
Bitcoin is not very hard to track. Why do you ask? If someone is after you and have enough power and incentive (say, some governmental agency), you will get caught sooner or later...
This has been discussed already
I asked because my study is about that,and i know its hard to track dirty money in reality how gouvernmental agency will deal with digital.