Han Du - Latest

• 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 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

• Estimating Policy Functions in Payments Systems Using Reinforcement Learning

  Staff Working Paper 2021-7 Pablo S. Castro, Ajit Desai, Han Du, Rodney J. Garratt, Francisco Rivadeneyra

  We demonstrate the ability of reinforcement learning techniques to estimate the best-response functions of banks participating in high-value payments systems—a real-world strategic game of incomplete information.

  Content Type(s): Staff research, Staff working papers Topic(s): Digital currencies and fintech, Financial institutions, Financial system regulation and policies, Payment clearing and settlement systems JEL Code(s): A, A1, A12, C, C7, D, D8, D83, E, E4, E42, E5, E58

• Technology Approach for a CBDC

  Staff Analytical Note 2020-6 Dinesh Shah, Rakesh Arora, Han Du, Sriram Darbha, John Miedema, Cyrus Minwalla

  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.

  Content Type(s): Staff research, Staff analytical notes Topic(s): Central bank research, Digital currencies and fintech JEL Code(s): E, E4, E42, E5, E51, O, O3, O31