As far as Bitcoin is concern, there are many diverse opinions from individuals relating to the innovation of this cryptocurrency, as to what it is and what drives its value. So, for me, i will like to say that the controversy regarding bitcoin makes it the most complicated.
Many opinions and predictions that are made by many person or people about the cryptocurrency and especially the innovation which must be adapt by many people I will add about the most controversial thing about bitcoin is the fluctuating of bitcoin which anytime it will up and down or pump or dump just like other investments but this is also one of the beautiful in the cryptocurrency because of this fluctuating this is the way why other crypto enthusiast are gaining profits because of this system. Controversy like that makes complicated but this is like of good controversy.