Stablecoins have transitioned from volatility-fixers to essential components of global financial infrastructure, driven by regulatory clarity from the GENIUS Act. This U.S. legislation, passed in 2025, established a comprehensive framework for stablecoin issuance, allowing regulated entities to issue stablecoins backed by high-quality liquid assets. This clarity has encouraged institutional adoption, positioning stablecoins as key settlement assets in decentralized finance and cross-border payments. The GENIUS Act's regulatory framework has addressed previous uncertainties, categorizing stablecoins as distinct digital payment instruments. This has facilitated their integration into the financial system, extending the reach of the U.S. dollar across blockchain-based economies. As stablecoins become foundational to digital financial activity, jurisdictions worldwide are developing their own regulatory strategies to manage their impact on monetary sovereignty and financial markets.