Improving the Efficiency of Payments Systems Using Quantum Computing

The authors thank Alex Koszegi, Tim Doyle, Peguy Pierre-Louis, and Jonathan Garven from D-Wave Systems and Maryam Haghighi and Noorain Noorani from the Bank of Canada for their help with the project. The authors also extend their gratitude to Narayan Bulusu, Rodney Garratt, Victoria Goliber, Isaiah Hull, and Hossein Sadeghi for their insightful comments. Special thanks are extended to Nellie Zhang for her help with Lynx simulations for benchmarking exercises. In addition, the authors thank discussants and participants of the following conferences for their comments and suggestions: the National Automated Clearinghouse Association Smarter, Faster Payments Conference (2022), the Quantum FinTech Webinar Series at the University of North Carolina (2023), the Quantum Webinar Series at Innovation, Science and Economic Development (ISED) Canada (2023), the Research Webinar Series at the Bank for International Settlements (2023), and the Bank of Finland’s Simulator Seminar (2023). The views expressed in this paper are solely those of the authors and do not necessarily represent the views of the Bank of Canada or other affiliations.