Every era brings its own unique features as well as technologically modern approaches. Undoubtedly the biggest innovation of 21st century regarding money is cryptocurrency and its derivatives. The subject of this study is bitcoin continuing to exist as long as the demand of humanity for cryptocurrency. By virtue of day after day increasing in trading size of bitcoin, achieving significant amount from earned gains of bitcoin and the feature of bitcoin enabling to money laundering and tax evasion, taxation of bitcoin put on the government's agenda. Although the issue of bitcoin taxation in Turkey come up for discussion in 2017, nowdays the legal status of bitcoin is still not clear. At this point, in the light of the world examples, it is neccesary to ensure technological innovation and put forward the most appropriate method for the Turkish tax system and clarify the defination of this investment instrument enabling financing of illegal activities on the legal ground. In this context, the most important matter is to ensure adaptation of tax legislation in Turkey to the current developments.