September 16, 2026
The tokenization of financial instruments—the digital representation of traditional assets through tokens issued on distributed ledger technologies (DLT) such as blockchain—marks a transformative shift in capital markets. By enabling fractional ownership, near-instantaneous settlement, and global transferability, tokenization promises enhanced efficiency, liquidity, and financial inclusion. Yet it simultaneously presents profound legal and regulatory challenges for frameworks designed to govern centralized, intermediary-driven markets characterized by identifiable compliance actors and well-defined legal relationships. The central challenge is not merely technical: determining whether a given token qualifies as a security, a commodity, a payment instrument, or a utility token dictates the applicable regulatory regime and governs registration, disclosure, supervision, and enforcement.
This article provides a comprehensive comparative analysis of how the United States and the European Union approach the regulation of crypto-assets and tokenized securities. In the United States, the absence of comprehensive federal legislation has generated jurisdictional fragmentation between the SEC and the CFTC. The SEC applies the functional Howey test through case-by-case enforcement—illustrated most recently in SEC v. Ripple Labs (2023)—while the CFTC classifies most crypto-assets as commodities. Three major legislative proposals under active consideration—the GENIUS Act governing stablecoins, the Digital Asset Market Clarity Act placing most crypto-assets under CFTC jurisdiction, and the Lummis-Gillibrand Responsible Financial Innovation Act establishing dual CFTC-SEC supervision—reflect competing philosophies regarding regulatory scope and the appropriate balance between innovation and investor protection. The result is a reactive, enforcement-driven model that preserves flexibility but generates legal uncertainty that frustrates institutional adoption.
The European Union has pursued a more systematic course. The Markets in Crypto-Assets Regulation (MiCA) establishes comprehensive disclosure obligations and licensing requirements for crypto-asset service providers, while tokenized instruments qualifying as financial instruments under MiFID II remain subject to traditional securities regulation. The DLT Pilot Regime (Regulation (EU) 2022/858) creates a controlled regulatory sandbox allowing blockchain-based trading and settlement systems to operate under temporary exemptions, testing whether traditional market infrastructure can accommodate distributed ledger innovation. Complementing this framework, the Digital Operational Resilience Act (DORA) extends rigorous ICT risk-management standards to crypto-asset service providers, integrating market conduct and operational resilience within a coherent regulatory architecture.
The article also identifies significant regulatory gaps common to both regimes: the classification of hybrid tokens that blend equity-like and utility functions; the adaptation of trading venue rules to decentralized exchanges; custody and safekeeping obligations in permissionless environments; and reporting requirements across pseudonymous networks. A particularly acute lacuna concerns private international law: neither jurisdiction has yet produced a “digital lex situs” rule capable of resolving competing ownership claims over DLT-native instruments in cross-border insolvency or enforcement proceedings.
The comparative analysis reveals a fundamental transatlantic divide that reflects deeper differences in legal culture. The United States relies on judicial interpretation and ex post enforcement, sacrificing predictability for flexibility. The European Union provides a statutory map—comprehensive in scope but potentially constraining to innovation. Both approaches, however, remain reactive adaptations of frameworks designed for a prior era of capital markets.
The article concludes that tokenized finance represents a legal and regulatory inflection point requiring fundamental reconsideration of market structure and supervision. Effective regulation must preserve core principles—investor protection, market integrity, transparency, and systemic risk management—while adapting frameworks to accommodate decentralized architectures and the emerging integration of artificial intelligence into compliance functions. Global convergence will require enhanced international coordination, new legal definitions tailored to digital assets, a resolution of the liability gap created by smart-contract automation, and adaptive governance mechanisms capable of evolving alongside rapidly changing technology.
For the full article, see: SSRN available at: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6394378
Professor Rafael Porrata-Doria a graduate of the Yale Law School, joined the Temple faculty in 1983 after practicing law in Philadelphia, Pennsylvania and Miami Florida. He has held the rank of Professor since 1992. He is the author of three books on international trade law, as well as of many book chapters and articles covering many issues of corporate, securities international law. He has been a visiting professor at several universities in the United States and throughout the world. His courses include Business Associations, Securities Regulation, Business Mergers and Acquisitions, International Commercial Transactions, Comparative Law, Contracts, Contract Remedies, Corporate Law, Law of the European Union, International Trade and Investment, Advanced Securities Regulation, and other courses in the international and business law areas. Professor Porrata-Doria has also served on the boards of numerous non-profit organizations throughout the nation and abroad.
Dr. Pablo Sanz Bayon (LLB, LLM, PhD in Law) is Senior Lecturer in Commercial Law at National University of Distance Education (UNED). He joined the Law School of Comillas Pontifical University (Madrid) in 2015 as Lecturer in Commercial Law. Pablo has spent significant research time at the Law School of the University of Cambridge, Max Planck Institute (Hamburg), CUPL (Beijing), University of Melbourne and University of Sydney. His main areas of research include corporate law, economic analysis of law, fintech and regtech.