The Bank for International Settlements (BIS), often referred to as the central bank for central banks, has once again voiced significant reservations about the viability of stablecoins for widespread payment systems. Pablo Hernández de Cos, the BIS General Manager and a prominent candidate for the European Central Bank presidency, explicitly stated that stablecoins "do not credibly function as a means of payment at scale." This strong stance from such an influential figure underscores a persistent skepticism within traditional financial institutions regarding the foundational stability and operational efficiency of these digital assets, particularly when compared to more established financial instruments. His comments are not merely theoretical; they reflect a broader concern about maintaining the integrity and stability of the global monetary system in an era of rapid digital innovation.

Pablo Hernández de Cos's Critique

Pablo Hernández de Cos's assessment is rooted in several key concerns that challenge the fundamental premise of stablecoins as a reliable medium of exchange. He argues that while stablecoins are designed to maintain a pegged value, their underlying mechanisms and regulatory oversight often fall short of the robustness required for systemic use. Instead, de Cos champions "tokenised bank deposits" as a superior alternative, suggesting they offer a more direct path to leveraging tokenization's benefits while simultaneously preserving the existing monetary system's foundations. This preference highlights a desire to integrate digital innovation within established banking structures rather than allowing new, potentially less regulated, entities to dominate the digital payment landscape.

Furthermore, de Cos pointed to practical limitations that hinder stablecoins' scalability and utility. He cited "limited interoperability between stablecoin platforms" as a significant barrier, implying that the fragmented nature of the stablecoin ecosystem prevents seamless transactions and widespread adoption. Another critical concern raised was the difficulty in "consistently applying anti-money laundering controls," which poses substantial risks for financial integrity and combating illicit activities. These operational and regulatory challenges collectively undermine the credibility of stablecoins as a universal payment solution, according to the BIS chief.

Financial Stability Institute (FSI) Study

Complementing de Cos's remarks, a new study from the BIS-linked Financial Stability Institute (FSI) provides empirical evidence of the fragmented global regulatory environment for stablecoins. Published recently, the study meticulously compared stablecoin regulations across five major jurisdictions: the United States, the European Union, the United Kingdom, Hong Kong, and Singapore. Its findings reveal "sharp differences" in the rules governing stablecoin issuers, particularly concerning which entities are permitted to issue stablecoins and the scope of other business activities they can undertake. This regulatory divergence creates a complex landscape for stablecoin operators and could lead to regulatory arbitrage, where firms seek out jurisdictions with less stringent oversight.

The FSI study specifically highlighted that the US and Singapore adopt "relatively restrictive approaches" towards non-bank issuers. For instance, under the US GENIUS Act, activities such as lending, staking, proprietary trading, and third-party crypto asset custody are generally prohibited for payment stablecoin issuers. In contrast, Hong Kong, the UK, and the EU exhibit a "less restrictive approach," allowing some additional activities, albeit with separate authorization or regulatory consent. This disparity suggests a fundamental difference in how various jurisdictions perceive the risks associated with stablecoin issuance and their willingness to permit broader financial activities within the same corporate group.

US GENIUS Act's Restrictions

The US GENIUS Act serves as a prime example of a more cautious regulatory stance towards stablecoin issuers, particularly non-bank entities. The legislation explicitly outlines a narrow scope of permissible activities for those issuing payment stablecoins, effectively ring-fencing them from engaging in more speculative or risk-prone financial services. By generally prohibiting lending, staking, proprietary trading, and the custody of third-party crypto assets for these issuers, the Act aims to mitigate potential systemic risks and protect consumers. This approach reflects a regulatory philosophy that prioritizes stability and consumer protection over fostering a broad range of financial innovation within the stablecoin issuance framework.

The implications of such restrictive legislation are significant for the stablecoin market. It forces non-bank issuers to operate within tightly defined parameters, potentially limiting their business models and revenue streams compared to their counterparts in less restrictive jurisdictions. While this might enhance the safety and soundness of individual stablecoin projects, it could also stifle innovation and create an uneven playing field globally. The FSI study further noted that these restrictions typically apply to the issuing entity itself, rather than the wider corporate group, meaning other members of a corporate conglomerate might still engage in activities forbidden to the stablecoin issuer. This nuance highlights the intricate challenges regulators face in defining the boundaries of stablecoin operations within complex corporate structures.