Back then, when the high-speed railway between Beijing and Tianjin was being repaired, the people of Tianjin were overjoyed and said, 'Now it's great. In half an hour, the prosperity of the capital can bring Tianjin.' Unexpectedly, after the repair, Tianjin's resources and talents have all gone to Beijing. This is the truth of siphon off. At this moment, Bitcoin's ETF seems to be the high-speed railway between the cryptocurrency market and the stock market, as if the liquidity here has been drained away from the stock market.