Bitcoin is once again at the heart of the debate, Online Betting and this time Warren Buffett has his say. He believes that bitcoin and Online Betting other cryptocurrencies are doomed to fail. Is the situation also alarming? In an interview with CNBC on Squawk Box, Buffett said he did not own a bitcoin and that he had no intention of investing in it either. The billionaire even predicts a tragic end to cryptocurrencies, but does not specify how or when it will happen. "We did not buy, we do not sell, we will never have a position on them.