The Legal Nature of Tokens: A Functional Typology for an Emergent Asset Class

Abstract

The legal nature of tokens, cryptographic assets recorded on distributed ledgers and capable of performing multiple economic functions simultaneously or successively, remains one of the most contested and consequential unresolved questions in contemporary financial law. The dominant regulatory response, principally the application of securities law analysis through the investment contract test established in SEC v W J Howey Co , has generated a body of case law characterised by inconsistent outcomes, pervasive uncertainty, and perverse incentives to structure token offerings so as to fall outside the regulatory perimeter. The property law, monetary law, and contractual rights frameworks each capture an important dimension of the problem, but none is adequate, standing alone, to provide a comprehensive and coherent account of the legal nature of tokens across the full range of contexts in which that question arises. This article advances the thesis that the persistent attempt to assign a fixed and singular legal nature to tokens is both theoretically unsatisfactory and practically counterproductive. It is theoretically unsatisfactory because it seeks a degree of ontological stability in an asset class whose defining characteristic is functional versatility; it is practically counterproductive because it produces regulatory arbitrage, legal uncertainty, and market fragmentation. The appropriate response, it is submitted, is a dynamic functional typology: a framework that determines the legal nature of a token by reference to the economic function it performs at any given moment in its lifecycle, payment, investment, access, governance, or representational, and that assigns legal consequences in property, contract, insolvency, and regulation accordingly. Drawing on doctrinal analysis, comparative law, and normative legal theory, the article establishes five economic functions as the organising categories of the framework, proposes four criteria for the identification of the operative function in any given case — the reasonable expectations of the acquirer, the observable economic characteristics of the token, the degree of decentralisation of the network, and the stage of the token's lifecycle — and demonstrates the framework's application to the principal categories of token and to the hardest contested cases, including non-fungible tokens, algorithmic stablecoins, decentralised autonomous organisations, hybrid tokens, and decentralised finance protocols. The comparative analysis examines the regulatory frameworks of the European Union (MiCA), the United States (the Howey test and the proposed FIT21 Act), the United Kingdom, Switzerland, Liechtenstein, Singapore, and Japan, demonstrating that the functional approach is not merely a theoretical construct but the direction in which the most sophisticated legislative initiatives are converging. The article culminates in the articulation of a five-stage Dynamic Classification Framework, comprising preliminary identification, function determination, consequence assignment, lifecycle monitoring, and reclassification, supported by a Dynamic Classification Matrix that maps the legal consequences of each operative function across property, insolvency, and regulatory dimensions. Two regulatory safe harbours are proposed: a transitional safe harbour for issuance-stage tokens and a decentralisation safe harbour for tokens that have achieved sufficient network decentralisation. The article further proposes a token register as the international harmonisation instrument through which the framework's outputs are made publicly accessible across jurisdictions. The framework is designed to be jurisdiction-neutral and compatible with the principal existing legislative architectures, including MiCA, MiFID II, the UNIDROIT Principles on Digital Assets and Private Law, and the UK Law Commission's recommended data object category. Note: A slightly shorter Spanish version is currently under review for the edited volume "Los bienes digitales", led by the PRIVATECH Observatory, Universidad Externado de Colombia.