Global Trade Fragmentation and Monetary Rebalancing examines the decline of dollar dominance and emergence of rival blocs. Tracing Bretton Woods to sanctions and digital assets, it explores BRICS currency ambitions, U.S. crypto strategies, and de-dollarization. Through trade wars, AI-led finance, and institutional crises, it reveals a shift toward multipolar, digital, and commodity-backed currencies, offering policymakers, economists, and students frameworks to understand the 21st-century rebalancing of global monetary power.