Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines

Abstract We examine which decentralized finance architectures enable meaningful regulation by combining financial and computational theory. We show via deduction that a decentralized and permissionless Turing-complete system cannot provably comply with regulations concerning anti-money laundering, k...

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Main Authors: Ben Charoenwong, Robert M. Kirby, Jonathan Reiter
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-84612-9
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author Ben Charoenwong
Robert M. Kirby
Jonathan Reiter
author_facet Ben Charoenwong
Robert M. Kirby
Jonathan Reiter
author_sort Ben Charoenwong
collection DOAJ
description Abstract We examine which decentralized finance architectures enable meaningful regulation by combining financial and computational theory. We show via deduction that a decentralized and permissionless Turing-complete system cannot provably comply with regulations concerning anti-money laundering, know-your-client obligations, some securities restrictions and forms of exchange control. Any system that claims to follow regulations must choose either a form of permission or a less-than-Turing-complete update facility. Compliant decentralized systems can be constructed only by compromising on the richness of permissible changes. Regulatory authorities must accept new tradeoffs that limit their enforcement powers if they want to approve permissionless platforms formally. Our analysis demonstrates that the fundamental constraints of computation theory have direct implications for financial regulation. By mapping regulatory requirements onto computational models, we characterize which types of automated compliance are achievable and which are provably impossible. This framework allows us to move beyond traditional debates about regulatory effectiveness to establish concrete boundaries for automated enforcement.
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spelling doaj-art-f3c079cb2daa4f298e78c743c64d17322025-01-26T12:27:01ZengNature PortfolioScientific Reports2045-23222025-01-0115111810.1038/s41598-024-84612-9Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machinesBen Charoenwong0Robert M. Kirby1Jonathan Reiter2INSEAD, Asia CampusKahlert School of Computing, University of UtahChainArgos, ResearchAbstract We examine which decentralized finance architectures enable meaningful regulation by combining financial and computational theory. We show via deduction that a decentralized and permissionless Turing-complete system cannot provably comply with regulations concerning anti-money laundering, know-your-client obligations, some securities restrictions and forms of exchange control. Any system that claims to follow regulations must choose either a form of permission or a less-than-Turing-complete update facility. Compliant decentralized systems can be constructed only by compromising on the richness of permissible changes. Regulatory authorities must accept new tradeoffs that limit their enforcement powers if they want to approve permissionless platforms formally. Our analysis demonstrates that the fundamental constraints of computation theory have direct implications for financial regulation. By mapping regulatory requirements onto computational models, we characterize which types of automated compliance are achievable and which are provably impossible. This framework allows us to move beyond traditional debates about regulatory effectiveness to establish concrete boundaries for automated enforcement.https://doi.org/10.1038/s41598-024-84612-9
spellingShingle Ben Charoenwong
Robert M. Kirby
Jonathan Reiter
Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
Scientific Reports
title Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
title_full Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
title_fullStr Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
title_full_unstemmed Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
title_short Tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
title_sort tradeoffs in automated financial regulation of decentralized finance due to limits on mutable turing machines
url https://doi.org/10.1038/s41598-024-84612-9
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