1932

Abstract

In just a few years, central banks have rapidly ramped up their research and development efforts on central bank digital currencies (CBDCs). A growing body of economic research informs these activities, often focusing on the “reserves for all” aspect of CBDCs for retail use. However, CBDCs should be considered in the full context of the digital economy and the centrality of data, which raises concerns around competition, payment system integrity, and privacy. This review gives a guided tour of the growing CBDC literature on the microeconomic considerations related to operation architectures, technologies, and privacy as well as the macroeconomic implications for the financial system, financial stability, and monetary policy. A set of questions, particularly on the cross-border dimensions of CBDCs, remains unresolved and calls for further work to expand the research frontier.

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2022-08-12
2025-02-18
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Literature Cited

  1. Abadi J, Brunnermeier M. 2018. Blockchain economics NBER Work. Pap. 25407
    [Google Scholar]
  2. Acquisti A, Taylor C, Wagman L. 2016. The economics of privacy. J. Econ. Lit. 54:2442–92
    [Google Scholar]
  3. Adrian T, Mancini-Griffoli T. 2019. The rise of digital money. Annu. Rev. Financ. Econ. 13:57–77
    [Google Scholar]
  4. Agur I, Ari A, Dell'Ariccia G 2022. Designing central bank digital currencies. J. Monet. Econ. 125:62–79
    [Google Scholar]
  5. Alfonso V, Kamin S, Zampolli F. 2022. Central bank digital currencies (CBDCs) in Latin America and the Caribbean Work. Pap. 989, Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  6. Amoussou-Guenou Y, Biais B, Potop-Butucaru M, Tucci-Piergiovanni S. 2020. Rationals versus Byzantines in consensus-based blockchains. Proceedings of the 19th International Conference on Autonomous Agents and MultiAgent Systems43–51 New York: ACM
    [Google Scholar]
  7. Andolfatto D. 2021. Assessing the impact of central bank digital currency on private banks. Econ. J. 131:634525–40
    [Google Scholar]
  8. Armantier O, Doerr S, Frost J, Fuster A, Shue K. 2021. Whom do consumers trust with their data? US survey evidence. BIS Bull. 42:1–9
    [Google Scholar]
  9. Arifovic J, Duffy J, Jiang J. 2017. Adoption of a new payment method: theory and experimental evidence Staff Work. Pap. 2017-28 Bank Can., Ottawa:
    [Google Scholar]
  10. Arauz A, Garratt R, Ramos D. 2021. Dinero electrónico: the rise and fall of Ecuador's central bank digital currency. Lat. Am. J. Cent. Bank 2:2100030
    [Google Scholar]
  11. Arner D, Auer R, Frost J. 2020. Stablecoins: risks, potential and regulation. Financ. Stab. Rev. 39:95–123
    [Google Scholar]
  12. Assenmacher K, Berentsen A, Brand C, Lamersdorf N. 2021. A unified framework for CBDC design: remuneration, collateral haircuts and quantity constraints Work. Pap. 2578 Eur. Cent. Bank, Frankfurt Ger:.
    [Google Scholar]
  13. Auer R. 2019. Beyond the doomsday economics of ‘proof-of-work’ in cryptocurrencies Work. Pap. 765 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  14. Auer R, Boar C, Cornelli G, Frost J, Holden H, Wehrli A 2021a. CBDCs beyond borders: results from a survey of central banks BIS Pap. 116 Bank Int. Settl., Basel Switz:.
    [Google Scholar]
  15. Auer R, Böhme R. 2020. The technology of retail central bank digital currency. BIS Q. Rev. March:85–100
    [Google Scholar]
  16. Auer R, Böhme R. 2021. Central bank digital currency: the quest for minimally invasive technology Work. Pap. 948 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  17. Auer R, Cornelli G, Frost J. 2020. Rise of the central bank digital currencies: drivers, approaches and technologies Work. Pap. 880 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  18. Auer R, Haene P, Holden H 2021b. Multi-CBDC arrangements and the future of cross-border payments BIS Pap. 115 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  19. Auer R, Monnet C, Shin HS. 2021c. Distributed ledgers and the governance of money Work. Pap. 924 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  20. Bank Can 2017. Introduction to Project Jasper Outline, Bank Can. Ottawa: https://www.payments.ca/sites/default/files/project_jasper_primer.pdf
    [Google Scholar]
  21. Bank Can 2020. Contingency planning for a central bank digital currency Exec. Summ., Bank Can. Ottawa: https://www.bankofcanada.ca/2020/02/contingency-planning-central-bank-digital-currency/
    [Google Scholar]
  22. Bank Can., Bank Engl., Monet. Auth. Singapore 2018. Cross-border interbank payments and settlements: emerging opportunities for digital transformation Rep., Bank Can./Bank Engl./Monet. Auth. Singapore Ottawa/London/Singapore:
    [Google Scholar]
  23. Bank Engl 2020. Central bank digital currency: opportunities, challenges and design Discuss. Pap., Bank Engl. London:
    [Google Scholar]
  24. Bank Thail., Hong Kong Monet. Auth 2020. Inthanon-LionRock: leveraging distributed ledger technology to increase efficiency in cross-border payments Rep., Bank Thail./Hong Kong Monet. Auth Bangkok/Hong Kong:
    [Google Scholar]
  25. Banque Fr., BIS, Swiss Natl. Bank 2021. Project Jura: cross-border settlement using wholesale CBDC Rep., Banque Fr./BIS/Swiss Natl. Bank Paris/Basel/Bern: https://www.banque-france.fr/sites/default/files/media/2021/12/08/rapport_jura_v11_0.pdf
    [Google Scholar]
  26. Barrdear J, Kumhof M. 2016. The macroeconomics of central bank issued digital currencies Work. Pap. 605 Bank Engl. London:
    [Google Scholar]
  27. Bassetto M, Sargent T. 2020. Shotgun wedding: fiscal and monetary policy NBER Work. Pap. 27004
    [Google Scholar]
  28. Baubeau P, Monnet E, Riva A, Ungaro S 2021. The real effects of bank runs: evidence from the French Great Depression (1930–1931) Discuss. Pap. 16054 Cent. Econ. Policy Res. Washington, DC:
    [Google Scholar]
  29. Bech M, Garratt R. 2017. Central bank cryptocurrencies. BIS Q. Rev. Sept.:55–70
    [Google Scholar]
  30. Belton D, Gambacorta L, Kokas S, Minetti R. 2020. Foreign banks, liquidity shocks and bank stability. Work. Pap. 845 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  31. Benhabib J, Schmitt-Grohé S, Uribe M. 2001. Monetary policy and multiple equilibria. Am. Econ. Rev. 91:1167–86
    [Google Scholar]
  32. Bernanke B. 2016. What tools does the Fed have left? Part 3: Helicopter money. Ben Bernanke Blog April 11. https://www.brookings.edu/blog/ben-bernanke/2016/04/11/what-tools-does-the-fed-have-left-part-3-helicopter-money/
    [Google Scholar]
  33. Biais B, Bisière C, Bouvard M, Casamatta C. 2019. The blockchain folk theorem. Rev. Financ. Stud. 32:51662–715
    [Google Scholar]
  34. Bindseil U. 2020. Tiered CBDC and the financial system Work. Pap. 2351 Eur. Cent. Bank Frankfurt, Ger:.
    [Google Scholar]
  35. BIS (Bank Int. Settl.) 2020. Central banks and payments in the digital era. Annual Economic Report 202067–95 Basel, Switz: Werner Druck & Medien
    [Google Scholar]
  36. BIS (Bank Int. Settl.) 2021. Central bank digital currencies: an opportunity for the monetary system. Annual Economic Report 202165–95 Basel, Switz: Werner Druck & Medien
    [Google Scholar]
  37. BIS Innov. Hub, Hong Kong SAR Cent., MAS (Hong Kong Monet. Auth.), Bank Thail., Digit. Curr. Inst., et al. 2021. Inthanon-LionRock to mBridge: building a multi CBDC platform for international payments Rep., BIS Innov. Hub/Hong Kong SAR Cent. Basel, Switz./Hong Kong:
    [Google Scholar]
  38. Boar C, Wehrli A. 2021. Ready, steady, go? Results of the third BIS survey on central bank digital currency BIS Pap. 114 Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  39. Bofinger P, Haas T. 2020. Can central banks succeed in the market place for digital monies? Discuss. Pap. 15489 Cent. Econ. Policy Res. Washington, DC:
    [Google Scholar]
  40. Bordo M, Levin A. 2017. Central bank digital currency and the future of monetary policy NBER Work. Pap. 23711
    [Google Scholar]
  41. Brainard L 2020a. An update on digital currencies Speech, online, Aug. 13
    [Google Scholar]
  42. Brainard L 2020b. The digitalization of payments and currency: some issues for consideration Speech, Stanford Univ. Stanford, CA: Febr. 5
    [Google Scholar]
  43. Brett J. 2020. Federal Reserve reveals research plans for digital dollars. Forbes Aug. 13
    [Google Scholar]
  44. Broadbent B. 2016. Central banks and digital currencies Speech, London Sch. Econ. London: March 2
    [Google Scholar]
  45. Brown M, Hentschel N, Mettler H, Stix H. 2020. Financial innovation, payment choice and cash demand—causal evidence from the staggered introduction of contactless debit cards Work. Pap. 230 Österr. Nationalbank Vienna:
    [Google Scholar]
  46. Brunnermeier M, James H, Landau JP. 2019. The digitalization of money NBER Work. Pap. 26300
    [Google Scholar]
  47. Brunnermeier M, Niepelt D. 2019. On the equivalence of private and public money. J. Monet. Econ. 106:27–41
    [Google Scholar]
  48. Budish E. 2018. The economic limits of bitcoin and the blockchain NBER Work. Pap. 24717
    [Google Scholar]
  49. Burlon L, Montes-Galdon C, Muñoz M, Smets F. 2022. The optimal quantity of CBDC in a bank-based economy Discuss. Pap. 16994 Cent. Econ. Policy Res. Washington, DC:
    [Google Scholar]
  50. Carstens A. 2019. The future of money and payments Whitaker Lect., Cent. Bank Irel. Dublin: March 22
    [Google Scholar]
  51. Carstens A. 2022. Digital currencies and the soul of money Paper presented at Data, Digitalization, the New Finance and Central Bank Digital Currencies: The Future of Banking and Money, Inst. Law Finance, Goethe Univ. Frankfurt, Ger.: Jan. 18
    [Google Scholar]
  52. Chiu J, Davoodalhosseini M, Jiang J, Zhu Y. 2019. Bank market power and central bank digital currency: theory and quantitative assessment Staff Work. Pap. 2019-20 Bank Can. Ottawa:
    [Google Scholar]
  53. Chiu J, Koeppl T. 2019. The economics of cryptocurrencies—Bitcoin and beyond Staff Work. Pap. 2019-40 Bank Can. Ottawa:
    [Google Scholar]
  54. Chorzempa M. 2021. China, the United States, and central bank digital currencies: How important is it to be first?. China Econ. J. 14:1102–15
    [Google Scholar]
  55. CPMI (Comm. Paym. Mark. Infrastruct.) 2020. Enhancing cross-border payments: building blocks of a global roadmap Stage 2 Rep., CPMI, Basel Switz:.
    [Google Scholar]
  56. CPMI (Comm. Paym. Mark. Infrastruct.), BIS Innov. Hub, IMF (Int. Monet. Fund), World Bank 2021. Central bank digital currencies for cross-border payments: report to the G20 Rep., CPMI Basel, Switz:.
    [Google Scholar]
  57. CPMI (Comm. Paym. Mark. Infrastruct.), MC (Mark. Comm.) 2018. Central bank digital currencies CPMI Pap. 174, CPMI Basel, Switz:.
    [Google Scholar]
  58. Darbha S, Arora R. 2020. Privacy in CBDC technology Staff Anal. Notes 2020-9, Bank Can. Ottawa:
    [Google Scholar]
  59. Davoodalhosseini M. 2021. Central bank digital currency and monetary policy. J. Econ. Dyn. Control. In press
    [Google Scholar]
  60. Davoodalhosseini M, Rivadeneyra F, Zhu Y. 2020. CBDC and monetary policy Staff Anal. Notes 2020-4, Bank Can. Ottawa:
    [Google Scholar]
  61. Deirmentzoglou E, Papakyriakopoulos G, Patsakis C. 2019. A survey on long-range attacks for proof of stake protocols. IEEE Access 7: https://doi.org/10.1109/ACCESS.2019.2901858
    [Crossref] [Google Scholar]
  62. Diamond DW, Dybvig PH. 1983. Bank runs, deposit insurance, and liquidity. J. Political Econ. 91:3401–19
    [Google Scholar]
  63. Diem Assoc 2022. Statement by Diem CEO Stuart Levey on the sale of the Diem Group's assets to Silvergate Press Release, Diem Assoc. Jan. 31. https://www.prnewswire.com/news-releases/statement-by-diem-ceo-stuart-levey-on-the-sale-of-the-diem-groups-assets-to-silvergate-301471997.html
    [Google Scholar]
  64. DNB (De Ned. Bank) 2018. DNB experimenteert met blockchain [DNB experiments with blockchain]. DNBulletin June 7
    [Google Scholar]
  65. DNB (De Ned. Bank) 2020. Central bank digital currency: objectives, preconditions and design choices Occas. Stud. 20-01, DNB Amsterdam:
    [Google Scholar]
  66. ECB (Eur. Cent. Bank) 2020. Report on a digital euro Rep., ECB Frankfurt, Ger:.
    [Google Scholar]
  67. ECB (Eur. Cent. Bank), Bank Jpn 2019. Project Stella: synchronised cross-border payments. Phase 3 Rep., ECB/Bank Jpn. Frankfurt, Ger./Tokyo:
    [Google Scholar]
  68. Eren E, Jackson T, Lombardo G 2021. Efficient disintermediation: CBDC, monetary policy, and banks Work. Pap., Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  69. Fanti G, Kogan L, Oh S, Ruan K, Viswanath P, Wang G. 2019. Compounding of wealth in proof-of-stake cryptocurrencies Paper presented at 23rd International Conference on Financial Cryptography and Data Security, Saint Kitts and Nevis, Febr18–22
    [Google Scholar]
  70. Fernández-Villaverde J, Sanches D, Schilling L, Uhlig H. 2021. Central bank digital currency: central banking for all?. Rev. Econ. Dyn. 41:225–42
    [Google Scholar]
  71. Ferrari M, Mehl A, Stracca L. 2020. Central bank digital currency in an open economy Work. Pap. 2488, Eur. Cent. Bank Frankfurt, Ger:.
    [Google Scholar]
  72. Feyen E, Frost J, Gambacorta L, Natarajan H, Saal M. 2021. Fintech and the digital transformation of financial services: implications for market structure and public policy BIS Pap. 117, Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  73. Foley S, Karlsen J, Putniņš T. 2019. Sex, drugs, and bitcoin: How much illegal activity is financed through cryptocurrencies?. Rev. Financ. Stud. 32:51798–853
    [Google Scholar]
  74. Frost J, Shin HS, Wierts P. 2020. An early stablecoin? The Bank of Amsterdam and the governance of money Work. Pap. 902, Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  75. FSB (Financ. Stab. Board) 2021. Evaluation of the effects of too-big-to-fail reforms. Final Rep., FSB Basel, Switz:.
    [Google Scholar]
  76. Fung B, Halaburda H. 2016. Central bank digital currencies: a framework for assessing why and how Staff Discuss. Pap. 2016-22 Bank Can. Ottawa:
    [Google Scholar]
  77. Garratt R, Lee M. 2021. Monetizing privacy Staff Rep. 958, Fed. Reserve Bank New York:
    [Google Scholar]
  78. Garratt R, van Oordt M. 2021. Privacy as a public good: a case for electronic cash. J. Political Econ. 129:72157–80
    [Google Scholar]
  79. Garratt R, Zhu H. 2021. On interest-bearing central bank digital currency with heterogeneous banks. Work. Pap., MIT Cambridge, MA:
    [Google Scholar]
  80. Giannini C. 2011. The Age of Central Banks London: Elgar
    [Google Scholar]
  81. Gross J, Sedlmeir J, Babel M, Bechtel A, Schellinger B. 2021. Designing a central bank digital currency with support for cash-like privacy Unpubl. Ms., Frankfurt Sch. Finance Manag./Univ. Bayreuth/Univ. St. Gallen
    [Google Scholar]
  82. Group Cent. Banks 2020. Central bank digital currencies: foundational principles and core features Jt. Rep. 1, Bank Int. Settl. Basel, Switz:.
    [Google Scholar]
  83. Grym A. 2020. Lessons learned from the world's first CBDC. Bank Finl. Econ. Rev. 8:1–20
    [Google Scholar]
  84. Huynh K, Molnar J, Shcherbakov O, Yu QH. 2020. Demand for payment services and consumer welfare: the introduction of a central bank digital currency Staff Work. Pap. 2020-7, Bank Can. Ottawa:
    [Google Scholar]
  85. IMF (Int. Monet. Fund) 2018. Republic of the Marshall Islands: selected issues Staff Ctry. Rep. 2018/271, IMF Washington, DC:
    [Google Scholar]
  86. IMF (Int. Monet. Fund) 2022. El Salvador: 2021 Article IV consultation Staff Ctry. Rep. 2022/020, IMF Washington, DC:
    [Google Scholar]
  87. Kahn C, Roberds W. 2009. Why pay? An introduction to payments economics. J. Financ. Int. 18:11–23
    [Google Scholar]
  88. Keister T, Monnet C. 2019. Central bank digital currency: stability and information Unpubl. Ms., Rutgers Univ./Univ. Bern
    [Google Scholar]
  89. Keister T, Sanches D. 2019. Should central banks issue digital currency? Work. Pap. 19-26, Fed. Reserve Bank Philadelphia:
    [Google Scholar]
  90. Ketterer J, Andrade G. 2016. Digital central bank money and the unbundling of the banking function Discuss. Pap. 449, Inter-Am. Dev. Bank Washington, DC:
    [Google Scholar]
  91. Kiff J, Alwazir J, Davidovic S, Huertas G, Khan A et al. 2020. A survey of research on retail central bank digital currency Work. Pap. 20/104, Int. Monet. Fund Washington, DC:
    [Google Scholar]
  92. Kocherlakota N, Wallace N. 1998. Incomplete record-keeping and optimal payment arrangements. J. Econ. Theory 81:2272–89
    [Google Scholar]
  93. Kumar A, Rosenbach E. 2020. Could China's digital currency unseat the dollar?. Foreign Affairs May 20
    [Google Scholar]
  94. Kumhof M, Noone C. 2018. Central bank digital currencies—design principles and balance sheet implications Work. Pap. 725, Bank Engl. London:
    [Google Scholar]
  95. Levine R. 1991. Asset trading mechanisms and expansionary policy. J. Econ. Theory 54:148–64
    [Google Scholar]
  96. Levy Yeyati E 2021. Financial dollarization and de-dollarization in the new millennium Work. Pap., Fondo Latinoam. Res. Bogota:
    [Google Scholar]
  97. MAS (Monet. Auth. Singapore) 2016. MAS, R3 and financial institutions experimenting with blockchain technology Press Release, MAS, Novemb 16
    [Google Scholar]
  98. Monnet C, Petursdottir A, Rojas-Breu M. 2020. Central bank account for all: efficiency and stability Unpubl. Ms., Univ. Bern/Univ. Bath/Univ. Paris Dauphine
    [Google Scholar]
  99. Niepelt D. 2021. Monetary policy with reserves and CBDC: optimality, equivalence, and politics Discuss. Pap. 15457, Cent. Econ. Policy Res. Washington, DC:
    [Google Scholar]
  100. Paquet-Clouston M, Haslhofer B, Dupont B. 2019. Ransomware payments in the Bitcoin ecosystem. J. Cybersecur. 5:1tyz003
    [Google Scholar]
  101. PBC (People's Bank China) 2021. Progress of research & development of E-CNY in China Rep., Work. Group e-CNY Res. Dev. PBC Beijing:
    [Google Scholar]
  102. Piazzesi M, Schneider M. 2020. Credit lines, bank deposits or CBDC? Competition & efficiency in modern payment systems Unpubl. Ms., Stanford Univ. Stanford, CA:
    [Google Scholar]
  103. Plosser C. 2019. A limited central bank. J. Appl. Corp. Finance 31:416–20
    [Google Scholar]
  104. Rochet J, Tirole J. 2006. Two-sided markets: a progress report. RAND J. Econ. 37:3645–67
    [Google Scholar]
  105. Saka O, Eichengreen B, Aksoy CG. 2021. Epidemic exposure, fintech adoption, and the digital divide Discuss. Pap. 16323, Cent. Econ. Policy Res. Washington, DC:
    [Google Scholar]
  106. Saleh F. 2021. Blockchain without waste: proof-of-stake. Rev. Financ. Stud. 34:31156–90
    [Google Scholar]
  107. SAMA (Saudi Arab. Monet. Auth.), UAECB (U. A. E. Cent. Bank) 2019. A statement on launching the “Aber” Project for a common digital currency between SAMA and UAECB Press Release, Saudi Cent. Bank. Jan. 29
    [Google Scholar]
  108. SAMA (Saudi Arab. Monet. Auth.), UAECB (U. A. E. Cent. Bank) 2020. Project Aber final report Final Rep., SAMA/UAECB Riyadh/Dubai:
    [Google Scholar]
  109. Schilling L. 2019. Risks involved with CBDC: on cash, privacy and information centralization Unpubl. Ms., Washington Univ. St. Louis, St. Louis, MO:
    [Google Scholar]
  110. Schilling L, Fernández-Villaverde J, Uhlig H. 2020. Central bank digital currency: when price and bank stability collide NBER Work. Pap. 28237
    [Google Scholar]
  111. Shin HS. 2021. Central bank digital currencies: an opportunity for the monetary system Speech, Bank Int. Settl. Annu. Gen. Meet. Basel, Switz.: June 29
    [Google Scholar]
  112. Sver. Riksbank 2017. The Riksbank's e-krona project Rep., Sver. Riksbank Stocklholm:
    [Google Scholar]
  113. Sver. Riksbank 2020. Payments in Sweden 2020 Rep., Sver. Riksbank, Stocklholm
    [Google Scholar]
  114. Tobin J. 1987. The case for preserving regulatory distinctions. Proceedings of the Economic Policy Symposium167–83 Kansas City, MO: Fed. Reserve Bank
    [Google Scholar]
  115. Valencia F 2015. Sistema de dinero electrónico, un medio de pago al alcance de todos. CEMLA Bull. 4:255–69
    [Google Scholar]
  116. Wang Z. 2021. Tax compliance, payment choice, and central bank digital currency Unpubl. Ms., Wilfrid Laurier Univ. Ontario, Can:.
    [Google Scholar]
  117. White L. 2018. The world's first central bank electronic money has come—and gone: Ecuador, 2014–2018 Rep., Cato Inst. Washington, DC:
    [Google Scholar]
  118. Williamson S. 2022. Central bank digital currency: welfare and policy implications. J. Political Econ. In press
    [Google Scholar]
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