Investing in bitcoin is not for the faint of heart, but over any given two-year period holders of the world's biggest cryptocurrency have been rewarded, CryptoOracle partner Lou Kerner told CNBC on Wednesday. Kerner, whose venture capital firm supports what it calls the "decentralized digital economy," has a much longer investment horizon. For example, he said on "Worldwide Exchange," "If you go back to the internet bubble, which is what a lot of us in crypto look at for direction, Amazon, arguably one of the greatest companies in the history of the mankind, was down over 95 percent over two years." In May 1997, ... (full story)