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Journal Article
Tornado Cash and Blockchain Privacy: A Primer for Economists and Policymakers
Nadler, Matthias; Schär, Fabian (2023-04-10)
This article explores non-custodial crypto asset mixers such as Tornado Cash. We analyze what types of mixers exist and how they work. We discuss opportunities and risks and offer an approach, based on voluntary disclosure, that would allow financial market regulators to combat money laundering and illicit activities, while allowing honest users to interact with privacy-enhancing protocols. We explain how crypto asset mixers play an important role on public blockchains and that privacy may be difficult to attain without them.
Review , Volume 105 , Issue 2 , Pages 122-136

Newsletter
Beyond the Hype: An Introduction to Crypto Assets
Cruz, Megan (2022-10)
Crypto assets have increasingly occupied news headlines and the minds of many consumers. While initially introduced as a payment system, crypto assets are seen by many as an enticing investment opportunity. This issue of Page One Economics® introduces crypto assets, blockchain technology, and the emerging crypto universe.
Page One Economics Newsletter

Discussion Paper
Blockchain and Financial Market Innovation
Lewis, Rebecca; Ranjan, Rajeev; McPartland, John (2017-06-01)
Blockchain technology is likely to be a key source of future financial market innovation. It allows the creation of immutable records of transactions accessible by all participants in a network. A blockchaindatabase is made up of a number of blocks “chained” together through a reference in each block to the previous block. Each block records one or more transactions, which are essentially changes in the listed owner of assets. New blocks are added to the existing chain through a consensus mechanism in which members of the blockchain network confirm transactions as valid.While all are in ...
Policy Discussion Paper Series

Journal Article
Decentralized Finance (DeFi): Transformative Potential and Associated Risks
Swem, Nathan; Gerszten, Jacob; Carapella, Francesca; Dumas, Edward (2022-10-18)
Financial services in the crypto finance world are provided by a combination of centralized finance (CeFi) organizations and decentralized finance (DeFi). CeFi's are roughly similar to traditional financial intermediaries, but DeFi seeks to provide services using smart contracts (computer code) rather than an intermediary. DeFi's unusual structure creates some interesting potential but also raises new risks in addition to those already inherent in blockchains and crypto finance. This paper reviews some of the opportunities and risks.
Policy Hub , Volume 2022 , Issue 14

Journal Article
An Introduction to Web3 with Implications for Financial Services
Parlour, Christine (2023-05-15)
Web3 is used to describe the next iteration of the internet in which decentralized services are automated on blockchains. This paper describes the elements of Web3 including blockchains and tokens. It describes the largest decentralized finance protocols and some specific services where blockchain and tokens can be used. The paper concludes with a brief discussion of some regulatory challenges.
Policy Hub , Volume 2023 , Issue 3

Working Paper
Embedded Supervision: How to Build Regulation into Blockchain Finance
Auer, Raphael (2019-10-01)
The spread of distributed ledger technology (DLT) in finance could help to improve the efficiency and quality of supervision. This paper makes the case for embedded supervision, i.e., a regulatory framework that provides for compliance in tokenized markets to be automatically monitored by reading the market?s ledger, thus reducing the need for firms to actively collect, verify and deliver data. After sketching out a design for such schemes, the paper explores the conditions under which distributed ledger data might be used to monitor compliance. To this end, a decentralized market is modelled ...
Globalization Institute Working Papers , Paper 371

Newsletter
Promise and Peril: Managing the Uncertainty of Rapid Innovation and a Changing Economy
Rhodes, Kristin; Dumitriu, Alexandra; Markovich, Courtney; Edwards, Andrew; Christopoulos, Louie; Brookshire, Makaylah; Wolfe, Brian; Black, Lamont K. (2017)
The Chicago Fed?s Supervision and Regulation Department and DePaul University?s Center for Financial Services held their tenth annual risk conference on March 29?30, 2017. The conference brought together financial industry professionals, academics, and regulators to discuss the rapid pace of technological innovation in financial services, as well as the uncertainty of the changing economy through the lens of risk management.
Chicago Fed Letter

Briefing
Why Stablecoins Fail: An Economist’s Post-Mortem on Terra
Wong, Russell (2022-07)
Why do some stablecoins, such as Terra's UST, fail but others do not? Was Terra just an unlucky victim of a classic bank run or speculative attack? Or was its high-yield deposit offering doomed to fail like a Ponzi scheme? What is the limit of the stablecoin's algorithm? What makes payment stable? In this article, we'll dive into potential answers to these questions about the failed stablecoin.
Richmond Fed Economic Brief , Volume 22 , Issue 24

Discussion Paper
Interoperability of Blockchain Systems and the Future of Payments
Durfee, Jon; Wang, Sarah; Torregrossa, Joseph; Lee, Michael Junho (2025-03-27)
In a previous post, we introduced a three-pillar framework for interoperability of payment systems and discussed how technological, legal, and economic factors contribute to achieve interoperability and aid in the “singleness of money”—that payments and exchange are not subject to volatility in the value of the money itself—in the context of legacy systems. In this post, we use the framework to characterize the interoperability of blockchain systems and propose a methodology for evaluating interoperability. We show evidence of limited interoperability and draw insights for the future ...
Liberty Street Economics , Paper 20250327b

Working Paper
A Survey of Fintech Research and Policy Discussion
Allen, Franklin; Jagtiani, Julapa (2020-05-28)
The intersection of finance and technology, known as fintech, has resulted in the dramatic growth of innovations and has changed the entire financial landscape. While fintech has a critical role to play in democratizing credit access to the unbanked and thin-file consumers around the globe, those consumers who are currently well served also turn to fintech for faster services and greater transparency. Fintech, particularly the blockchain, has the potential to be disruptive to financial systems and intermediation. Our aim in this paper is to provide a comprehensive fintech literature survey ...
Working Papers , Paper 20-21

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