市场震荡，美元走低显隐忧，比特币飙升成新宠

Group 1 - The deterioration of the U.S. fiscal situation and ongoing debt issues pose complex challenges to the global financial market, particularly affecting the stability of the dollar system [5][7] - The recent weak performance of the 20-year U.S. Treasury auction reflects growing market concerns about U.S. fiscal health, especially after Moody's downgraded the U.S. AAA credit rating [1][5] - The aggressive fiscal policies proposed by Congress, including significant tax cuts and spending reductions, are projected to increase federal debt by $3.8 trillion over the next decade, exacerbating market confidence issues regarding the dollar [1][5] Group 2 - The rise of Bitcoin as a digital asset is becoming increasingly significant as an alternative investment, reflecting investor distrust in traditional financial systems and serving as a hedge against dollar depreciation and U.S. fiscal risks [3][7] - The weak dollar is driving funds towards traditional safe-haven assets like the yen, while also highlighting the potential for structural changes in the global financial system due to the growing importance of cryptocurrencies [3][7] - The low performance of the U.S. Treasury market, particularly in long-term bonds, indicates rising concerns about the safety of U.S. debt, which could lead to abnormal fluctuations in bond yields and impact global capital costs [5][7]