The relationship between Bitcoin and the U.S. dollar's strength is increasingly structurally coupled. As global economic uncertainties persist, Bitcoin often acts as a hedge against dollar volatility, particularly during inflationary pressures or monetary policy shifts. When the dollar weakens, Bitcoin tends to rise, driven by investor demand for decentralized assets. Data from 2023-2025 shows a growing negative correlation, with Bitcoin prices surging during periods of dollar index (DXY) declines. For instance, Bitcoin hit $70,000 in Q1 2024 amid dollar softening post-Fed rate hikes. However, this coupling isn't absolute—Bitcoin's volatility is also tied to market sentiment, regulatory news, and macroeconomic trends. The structural link is evident in long-term trends, as institutional adoption and global distrust in fiat systems deepen Bitcoin’s role as a counterbalance to dollar dynamics. Yet, short-term decouplings occur due to crypto-specific factors like network upgrades or ETF approvals.