Digital currencies and fintech
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Analysis of DeFi Oracles
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. -
2023 Methods-of-Payment Survey Report: The Resilience of Cash
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. -
The Role of Beliefs in Entering and Exiting the Bitcoin Market
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. -
May 30, 2024
Future-proofing our payments systems
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. -
May 30, 2024
Laying bare the evolution of payments in Canada
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. -
Digital Payments in Firm Networks: Theory of Adoption and Quantum Algorithm
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. -
Finding a Needle in a Haystack: A Machine Learning Framework for Anomaly Detection in Payment Systems
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. -
COVID-19 Hasn’t Killed Merchant Acceptance of Cash: Results from the 2023 Merchant Acceptance Survey
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. -
CBDC: Banking and Anonymity
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.