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Security of a CBDC

Staff Analytical Note 2020-11 Cyrus Minwalla
Security is an important element in ensuring public confidence in a central bank digital currency (CBDC). This note highlights the required security properties of a CBDC system and the challenges encountered with existing solutions, should the Bank of Canada choose to issue one.

Privacy in CBDC technology

Staff Analytical Note 2020-9 Sriram Darbha, Rakesh Arora
Privacy is a key aspect of a potential central bank digital currency system. We outline different technical choices to enact various privacy models while complying with the appropriate regulations. We develop a framework to evaluate privacy models and list key risks and trade-offs in privacy design.

Classical Decomposition of Markowitz Portfolio Selection

Staff Working Paper 2020-21 Christopher Demone, Olivia Di Matteo, Barbara Collignon
In this study, we enhance Markowitz portfolio selection with graph theory for the analysis of two portfolios composed of either EU or US assets. Using a threshold-based decomposition of their respective covariance matrices, we perturb the level of risk in each portfolio and build the corresponding sets of graphs.
Content Type(s): Staff research, Staff working papers Topic(s): Central bank research JEL Code(s): C, C0, C02

Canadian Financial Stress and Macroeconomic Conditions

Staff Discussion Paper 2020-4 Thibaut Duprey
Severe disruptions in the financial markets, as observed during the 2008 global financial crisis or the COVID-19 pandemic, can impair the stability of the entire financial system and worsen macroeconomic downturns.

Technology Approach for a CBDC

In this note, we highlight a range of technical options and considerations in designing a contingent system for a central bank digital currency (CBDC) in Canada and explore how these options achieve stated public policy goals.
January 30, 2020

How vulnerabilities like debt can affect interest rates

Speech summary Paul Beaudry Laval University Québec, Québec
Deputy Governor Paul Beaudry explains to students at Laval University why financial vulnerabilities—such as household debt—are important for the Bank of Canada when it sets interest rates.

Managing GDP Tail Risk

Staff Working Paper 2020-3 Thibaut Duprey, Alexander Ueberfeldt
Models for macroeconomic forecasts do not usually take into account the risk of a crisis—that is, a sudden large decline in gross domestic product (GDP). However, policy-makers worry about such GDP tail risk because of its large social and economic costs.
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