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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.

For many years, the Bank of Canada successfully responded to occasional eruptions in counterfeiting by improving the security features on bank notes. The surge in counterfeiting that occurred while the Bank prepared to launch the Canadian Journey series, however, reflected increasingly rapid advances in computer technology that were changing the counterfeiting environment. The article describes these and other challenges that affected the new series and describes how the Bank developed a comprehensive new approach to its currency program and incorporated the valuable lessons it learned from these challenges. Designed to combat counterfeiting and meet the needs of the public, the new strategy includes increased research and development on new bank note security features, an intensified focus on retailer and public education, and a focus on law enforcement.

The program this evening focuses on the value of public service and the importance of economic and financial literacy for the well-being of Canadians. These two themes have special significance for me, as my career has involved time spent in the public service as well as teaching.

This volume features interesting images and anecdotes about Canada's central bank and its place in Canadian society from 1935 until the present.

Governor Poloz discusses the recent rise in financial market volatility and low long-term borrowing costs, and what they both mean for central bank credibility.

It has been a difficult year. The financial turmoil that began mid-2007 deteriorated into a full-blown global financial crisis through 2008. While the resilience and soundness of the Canadian financial system were in many respects exceptional, the scale of the financial crisis and the subsequent global recession had an increasing impact by year’s end on our financial system and our economy.

The Bank of Canada launched the Bankers’ Acceptance Purchase Facility (BAPF) to ensure that the bankers’ acceptance (BA) market could continue to function well during the financial crisis induced by the COVID‑19 pandemic. We review the impact that the announcement of this facility had on BA yields in the secondary market. We find that BA yield spreads declined by 15 basis points on the day of the announcement and by up to 70 basis points over a longer period. Using an econometric framework, we quantify the effect of the announcement and confirm early assertions presented in the Bank’s 2020 Financial System Review.

Results in the first quarter of 2023 show that consumer expectations for inflation one to two years ahead fell but remain elevated, particularly for services. Consumers, especially indebted households and equity-deserving groups, are facing financial pressures and limits on their spending due to high inflation and increasing interest rates. Consumers expect to spend less on discretionary services, such as travelling and eating out. Canadians continue to anticipate a recession in the next 12 months. Many are uncertain about where the economy and job markets are going. Despite this, workers still see the labour market as strong and expect wage growth to increase.

Governor Mark Carney discusses financial system reform in a speech to the Canadian Club of Montréal.

This paper describes the ecology of automated market makers, which are the most popular decentralized exchange model for the pricing and trading of crypto assets within decentralized finance.