Analysis of DeFi Oracles Staff Discussion Paper 2024-10 Xun Deng, Sidi Mohamed Beillahi, Cyrus Minwalla, Han Du, Andreas Veneris, Fan Long Oracles are constructs used in decentralized finance to price assets relative to each other. However, oracles contain defects that could lead to manipulation attacks. Such attacks exploit pricing models embedded within oracles to defraud creators and users. We automatically verify defects, which if mitigated, improves the security of digital currency. Content Type(s): Staff research, Staff discussion papers Research Topic(s): Central bank research, Digital currencies and fintech, Payment clearing and settlement systems JEL Code(s): E, E4, E42, E5, E51, G, G1, G15, O, O3, O31
2023 Methods-of-Payment Survey Report: The Resilience of Cash Staff Discussion Paper 2024-8 Christopher Henry, Matthew Shimoda, Doina Rusu We present key results from the 2023 Methods-of-Payment Survey. Results show that measures of cash management and use have remained stable since 2020, and that Canadians increased their adoption of payment alternatives such as mobile apps in 2023. Content Type(s): Staff research, Staff discussion papers Research Topic(s): Bank notes, Digital currencies and fintech, Financial services JEL Code(s): D, D8, D83, E, E4, E41
The Role of Beliefs in Entering and Exiting the Bitcoin Market Staff Working Paper 2024-22 Daniela Balutel, Christopher Henry, Jorge Vásquez, Marcel Voia We develop a model that links investors’ decisions to enter or exit the Bitcoin market with their beliefs about the survival of Bitcoin. Empirical testing using Canadian data reveals that beliefs strongly influence both entries and exits, and this impact varies with time and ownership status. Content Type(s): Staff research, Staff working papers Research Topic(s): Bank notes, Digital currencies and fintech, Econometric and statistical methods JEL Code(s): D, D8, D83, E, E4, E41, O, O3, O33
May 30, 2024 Future-proofing our payments systems Speech summary Ron Morrow Payments Canada SUMMIT Toronto, Ontario Executive Director of Payments, Supervision and Oversight Ron Morrow talks about how payments have evolved in Canada and why it’s important to modernize our payment infrastructure. Content Type(s): Press, Speeches and appearances, Speech summaries Research Topic(s): Bank notes, Digital currencies and fintech, Payment clearing and settlement systems, Retail payments supervision
May 30, 2024 Laying bare the evolution of payments in Canada Remarks Ron Morrow Payments Canada SUMMIT Toronto, Ontario Ron Morrow, Executive Director of Payments, Supervision and Oversight, talks about the evolution of payments in Canada, as well as the Bank’s new supervisory role for payment service providers. Content Type(s): Press, Speeches and appearances, Remarks Research Topic(s): Bank notes, Digital currencies and fintech, Payment clearing and settlement systems, Retail payments supervision
Digital Payments in Firm Networks: Theory of Adoption and Quantum Algorithm Staff Working Paper 2024-17 Sofia Priazhkina, Samuel Palmer, Pablo Martín-Ramiro, Román Orús, Samuel Mugel, Vladimir Skavysh We build a network formation game of firms with trade flows to study the adoption and usage of a new digital currency as an alternative to correspondent banking. Content Type(s): Staff research, Staff working papers Research Topic(s): Central bank research, Digital currencies and fintech, Digitalization, Economic models, Financial institutions, Payment clearing and settlement systems, Sectoral balance sheet JEL Code(s): C, C6, C7, C71, D, D4, D8, D85, G, L, L2, L22
Finding a Needle in a Haystack: A Machine Learning Framework for Anomaly Detection in Payment Systems Staff Working Paper 2024-15 Ajit Desai, Anneke Kosse, Jacob Sharples Our layered machine learning framework can enhance real-time transaction monitoring in high-value payment systems, which are a central piece of a country’s financial infrastructure. When tested on data from Canadian payment systems, it demonstrated potential for accurately identifying anomalous transactions. This framework could help improve cyber and operational resilience of payment systems. Content Type(s): Staff research, Staff working papers Research Topic(s): Digital currencies and fintech, Financial institutions, Financial services, Financial system regulation and policies, Payment clearing and settlement systems JEL Code(s): C, C4, C45, C5, C55, D, D8, D83, E, E4, E42
COVID-19 Hasn’t Killed Merchant Acceptance of Cash: Results from the 2023 Merchant Acceptance Survey Staff Discussion Paper 2024-2 Angelika Welte, Katrina Talavera, Liang Wang, Joy Wu The Bank of Canada’s Merchant Acceptance Survey finds that 96% of small and medium-sized businesses in Canada accepted cash in 2023. Acceptance of debit and credit cards has increased to 89%, and acceptance of digital payments has also increased. However, Canada is far from being a cashless society. Content Type(s): Staff research, Staff discussion papers Research Topic(s): Bank notes, Digital currencies and fintech, Econometric and statistical methods JEL Code(s): C, C8, D, D2, D22, E, E4, L, L2
CBDC: Banking and Anonymity Staff Working Paper 2024-9 Yuteng Cheng, Ryuichiro Izumi We examine the optimal amount of user anonymity in a central bank digital currency in the context of bank lending. Anonymity, defined as the lender’s inability to discern an entrepreneur’s actions that enable fund diversion, influences the choice of payment instrument due to its impact on a bank’s lending decisions. Content Type(s): Staff research, Staff working papers Research Topic(s): Digital currencies and fintech JEL Code(s): E, E4, E42, E5, E58, G, G2, G28
Central Bank Digital Currency and Banking Choices Staff Working Paper 2024-4 Jiaqi Li, Andrew Usher, Yu Zhu To what extent does a central bank digital currency (CBDC) compete with bank deposits? To answer this question, we develop and estimate a structural model where each household chooses which financial institution to deposit their digital money with. Content Type(s): Staff research, Staff working papers Research Topic(s): Central bank research, Digital currencies and fintech JEL Code(s): E, E5, E50, E58