The Hidden Plumbing of Stablecoins: Financial and Technological Risks in the GENIUS Act Era
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866915944367915008 |
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| author | Aronoff, Daniel Calabia, F. Christopher Brownworth, Anders Samuel, Ashwanth Narula, Neha |
| author_facet | Aronoff, Daniel Calabia, F. Christopher Brownworth, Anders Samuel, Ashwanth Narula, Neha |
| contents | U.S. dollar stablecoins are increasingly used as payment and settlement instruments beyond cryptocurrency markets. With the enactment of the GENIUS Act in 2025, the United States established the first comprehensive federal framework governing their issuance, backing, and supervision. This paper evaluates the financial, technological, and regulatory risks that may arise as GENIUS-compliant stablecoins scale into mainstream use. We show that maintaining par-value redemption may depend not only on backing-asset quality, but also on the functioning of Treasury and repo markets, the balance-sheet capacity of broker-dealers, and the operational reliability of blockchain-based transaction rails. Even conservatively backed stablecoins can face stress from redemption surges, market-intermediation bottlenecks, or technological disruptions. We argue that durable stability will likely require an integrated approach spanning financial-market infrastructure, prudential regulation, and software governance. While grounded in U.S.\ law, the analysis identifies principles that are relevant for regulators in other jurisdictions developing stablecoin regimes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_17167 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Hidden Plumbing of Stablecoins: Financial and Technological Risks in the GENIUS Act Era Aronoff, Daniel Calabia, F. Christopher Brownworth, Anders Samuel, Ashwanth Narula, Neha General Economics Economics Computational Engineering, Finance, and Science U.S. dollar stablecoins are increasingly used as payment and settlement instruments beyond cryptocurrency markets. With the enactment of the GENIUS Act in 2025, the United States established the first comprehensive federal framework governing their issuance, backing, and supervision. This paper evaluates the financial, technological, and regulatory risks that may arise as GENIUS-compliant stablecoins scale into mainstream use. We show that maintaining par-value redemption may depend not only on backing-asset quality, but also on the functioning of Treasury and repo markets, the balance-sheet capacity of broker-dealers, and the operational reliability of blockchain-based transaction rails. Even conservatively backed stablecoins can face stress from redemption surges, market-intermediation bottlenecks, or technological disruptions. We argue that durable stability will likely require an integrated approach spanning financial-market infrastructure, prudential regulation, and software governance. While grounded in U.S.\ law, the analysis identifies principles that are relevant for regulators in other jurisdictions developing stablecoin regimes. |
| title | The Hidden Plumbing of Stablecoins: Financial and Technological Risks in the GENIUS Act Era |
| topic | General Economics Economics Computational Engineering, Finance, and Science |
| url | https://arxiv.org/abs/2604.17167 |