Knowing when to buy a coin and knowing when to sell that coin is one of the hardest things to determine in the cryptocurrency market. In fact even when it comes to holding a coin, determining the time period by which to hold has also been a difficult task. According to the recent research, it seems that a four year period is the best holding point, as users that hold for that period of time have been noted to almost be guaranteed with a profit. Do you think that this news has anything to do with the fact that teh halving event occurs every 4 years? This is my theory.