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Central banks are actively exploring central bank digital currencies (CBDCs) by conducting research, proofs of concept and pilots. However, adoption of a retail CBDC can risk fragmenting both payments markets and retail deposits if the…

Computers and Society · Computer Science 2025-01-14 Lee Braine , Shreepad Shukla , Piyush Agrawal

Central banks are actively exploring retail central bank digital currencies (CBDCs), with the Bank of England currently in the design phase for a potential UK retail CBDC, the digital pound. In a previous paper, we defined and explored the…

Computers and Society · Computer Science 2024-09-16 Lee Braine , Shreepad Shukla , Piyush Agrawal , Shrirang Khedekar , Aishwarya Nair

Nations around the world are conducting research into the design of central bank digital currency (CBDC), a new, digital form of money that would be issued by central banks alongside cash and central bank reserves. Retail CBDC would be used…

Computers and Society · Computer Science 2026-05-12 Geoffrey Goodell , Hazem Danny Al-Nakib , Tomaso Aste

This document constitutes a response to a Consultation Paper published by the Bank of England and HM Treasury, "The digital pound: a new form of money for households and businesses?", the latest document in a series that includes "Central…

Computers and Society · Computer Science 2023-06-09 Geoffrey Goodell

Central Bank Digital Currencies (CBDCs) have been implemented by only a handful of countries, but they are being explored by many more. CBDCs are digital currencies issued and backed by a central bank. Consumer trust can encourage or…

Human-Computer Interaction · Computer Science 2024-01-01 Alex Zarifis , Xusen Cheng

The current crisis, at the time of writing, has had a profound impact on the financial world, introducing the need for creative approaches to revitalising the economy at the micro level as well as the macro level. In this informal analysis…

Computers and Society · Computer Science 2020-08-04 Geoffrey Goodell , Hazem Danny Al-Nakib , Paolo Tasca

In recent years, electronic retail payment mechanisms, especially e-commerce and card payments at the point of sale, have increasingly replaced cash in many developed countries. As a result, societies are losing a critical public retail…

Computers and Society · Computer Science 2021-05-28 Geoffrey Goodell , Hazem Danny Al-Nakib , Paolo Tasca

The use of digital money has become increasingly popular, but it comes with certain drawbacks. For instance, it can be challenging to make payments during power outages or internet failures. Additionally, some groups may find it difficult…

Human-Computer Interaction · Computer Science 2023-05-02 Chenhang Zhou , Yu Chen , Roger Wattenhofer , Ye Wang

Money is more than just a numeric value. It embodies trust and moral gravity, and it offers flexible ways to transact. However, the emergence of Central Bank Digital Currency (CBDC) is set to bring about a drastic change in the future of…

Computers and Society · Computer Science 2023-07-14 Ryan Bowler , Chris Speed , Geoffrey Goodell

Central banks are actively exploring central bank digital currencies (CBDCs) by conducting research, proofs of concept and pilots. However, adoption of a CBDC can risk fragmenting both payments markets and retail deposits. In this paper, we…

Computers and Society · Computer Science 2025-01-20 Lee Braine , Shreepad Shukla

The People's Bank of China (PBOC) has launched an ambitious project to develop a digital currency for use in domestic, retail transactions, and is, by far, the most advanced globally in this regard. In addition to involving a diverse set of…

Computers and Society · Computer Science 2021-10-26 Geoffrey Goodell , Hazem Danny Al Nakib

Central Bank Digital Currencies (CBDCs) are proposed as a public response to the uptake of privately run digital payments, with the digital euro, under development by the European Central Bank (ECB), serving as a prominent example. This…

Cryptography and Security · Computer Science 2026-03-18 Judith Senn , Aljosha Judmayer , Nicholas Stifter , Rainer Böhme

Central Bank Digital Currency (CBDC) is a novel form of money that could be issued and regulated by central banks, offering benefits such as programmability, security, and privacy. However, the design of a CBDC system presents numerous…

Computers and Society · Computer Science 2026-03-03 Ryan Bowler , Geoffrey Goodell , Joe Revans , Gabriel Bizama , Chris Speed

The European Central Bank is preparing for the potential issuance of a central bank digital currency (CBDC), called the digital euro. A recent regulatory proposal by the European Commission defines several requirements for the digital euro,…

Cryptography and Security · Computer Science 2024-08-14 Carolin Beer , Sheila Zingg , Kari Kostiainen , Karl Wüst , Vedran Capkun , Srdjan Capkun

The fast-growing, market-driven demand for cryptocurrencies worries central banks, as their monetary policy could be completely undermined. Central bank digital currencies (CBDCs) could offer a solution, yet our understanding of their…

General Economics · Economics 2022-11-02 Kilian Wenker

Many proposals for the design and implementation of digital wallets assume that the purpose of the wallet is to enable offline payments via custodial accounts, ignoring the real problems faced by individuals and businesses that engage in…

Computers and Society · Computer Science 2026-03-20 Geoffrey Goodell

This study explores the potential impact of introducing a Central Bank Digital Currency (CBDC) on financial stability in an emerging dual-currency economy (Romania), where the domestic currency (RON) coexists with the euro. It develops an…

General Finance · Quantitative Finance 2025-12-16 Catalin Dumitrescu

In this work, fundamental design principles for a central bank digital currency (CBDC) with an offline functionality and corresponding counter measures are discussed. We identify three major objectives for any such CBDC proposal:(i) Access…

Cryptography and Security · Computer Science 2025-12-12 David-Alexandre Guiraud , Andrea Tundis , Marc Winstel

A decade long thrive of cryptocurrency has shown its potential as a source of alternative-finance and the security and the robustness of the underpinning blockchain technology. However, most cryptocurrencies fail to show inimitability and…

Cryptography and Security · Computer Science 2020-03-24 Yibin Xu , Yangyu Huang , Jianhua Shao

With the emergence of Bitcoin and recently proposed stablecoins from BigTechs, such as Diem (formerly Libra), central banks face growing competition from private actors offering their own digital alternative to physical cash. We do not…

General Economics · Economics 2021-03-02 David Chaum , Christian Grothoff , Thomas Moser
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