The Depository Trust & Clearing Corporation (DTCC), the backbone of global financial markets settling over $4.7 quadrillion annually, has announced a groundbreaking partnership with the Stellar blockchain network. This historic collaboration aims to tokenize U.S. stocks, ETFs, and Treasuries, marking a pivotal shift from private, permissioned ledgers to regulated public blockchains. Stellar was selected for its exceptional compliance capabilities, transaction speed, and asset-level controls, positioning it as the infrastructure for the next generation of real-world assets (RWAs). The initiative is set to launch in 2027, with a phased rollout that will bring institutional-grade tokenized securities to a public blockchain for the first time. This move is expected to unlock a multi-trillion-dollar RWA opportunity, transforming how assets are issued, traded, and settled globally. For Stellar, the partnership signals a massive increase in liquidity and institutional demand, with XLM prices already reacting positively to the news. The integration demonstrates how regulated public blockchains can meet strict securities requirements while offering transparency, speed, and global reach. This guide covers everything from the DTCC's role and Stellar's selection to the tokenization process, compliance features, and long-term predictions for 2027–2030. Whether you're an investor, developer, or finance professional, understanding this partnership is essential to grasping the future of decentralized finance and global capital markets.