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HKU FinTech Day 2021

CBDCs, Blockchain & FinTech

Discussions and presentations by Prof SM Yiu, Dr Allen Au, and Dr John Yuen (HKU Computer Science Department

2 Nov, 2021 | 5:30 - 6:00 pm HKT |  HKU Law Moot Court


HKU FinTech Day 2021 Series | Day 2 - Ep.16  HKU FinTech Talent Development. Professor SM Yiu, Associate Head (Teaching and Learning) at HKU's Department of Computer Science, kicks off the session, 'CBDC, Blockchain & FinTech', by addressing the shortage of FinTech talents in Hong Kong and across the globe. In his presentation, Professor Yiu explains how the university aims to respond to this issue across various industries seeking future financial technology prospects.

SLIDE: HKU FinTech Talent Development PDF

Ep.16 HKU FinTech Talent DevelopmentProf SM Yiu
00:00 / 08:00

HKU FinTech Day 2021 Series | Day 2 - Ep.17  CBDC - The Next Payment Frontier?  When talking about Central Bank Digital Currency (CBDC), through the rise of Bitcoin and thousands of other digital currencies, can it actually represent real value backed by actual money? Dr Allen Au, Associate Professor at HKU's Department of Computer Science, presents the significant points addressing central bank digital currencies: Why is it so desirable? And if central banks issue digital currencies, do the benefits outweigh the risks?

SLIDE: CBDC -The Next Payment Frontier PDF

Ep.17 CBDC - The Next Payment Frontier?Dr Allen MH Au
00:00 / 16:03

HKU FinTech Day 2021 Series | Day 2 - Ep.18  Security & Privacy Challenges for CBDC. Dr John Yuen, Assistant Professor at HKU's Department of Computer Science, addresses the key concerns for CBDC's security and privacy challenges for the platform: If security is not stable in the system, how detrimental could this be for users? What are the risks involving cyber crime if privacy cannot be ensured? Dr Yuen points out these issues and how central banks can implement suitable controls for some of the primary attributes for CBDC.

SLIDE: Security and Privacy Challenge in CBDC PDF

Ep.18 Security & Privacy Challenges for CBDCDr John Tsz Hon Yuen
00:00 / 14:12

Supporting organisations, programme and platform

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Participating organisations

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Professor SM Yiu (Panel Chair)

Professor Yiu is the Associate Head (Teaching and Learning) at the Department of Computer Science of the University of Hong Kong. His research interest include Computer Security, Cryptography, and Bioinformatics with involvement in projects such as Cyber range (attack packet flow simulation) with Astri Hong Kong; Data mining on financial data (both encrypted or in plaintext) with Vicktor Capital (Asia) Limited;  Blockchain applications with Bank of China (Hong Kong).


Prof Yiu is a consistent recipient of the Teaching Excellence Award of the University since 2001. He received a BSc in Computer Science from the Chinese University of Hong Kong, a MS in Computer and Information Science from Temple University, and a PhD in Computer Science from The University of Hong Kong.

About the speakers

Dr. Allen Au is an associate professor of the Department of Computer Science in the University of Hong Kong (HKU). His research interests include applied cryptography, information security, blockchain technology, and related industrial applications. Dr. Au has published over 170 refereed papers in top journals and conferences, including CRYPTO, ASIACRYPT, IEEE S&P, ACM CCS, ACM SIGMOD, NDSS, IEEE TIFS, TC, TKDE, etc.  He is a recipient of the 2009 PET runner-up award for outstanding research in privacy enhancing technologies. His research has generated significant social and economic impact and, as principal investigator, has attracted over 25 million HKD in research and high-level consultancy projects. His digital signature technology has been adopted by the Hyperledger Fabric project, the most popular blockchain infrastructure supported by big industry players like IBM, Intel and SAP. His analysis on privacy, and design of new privacy-preserving techniques for confidential transactions, has been discussed and reported by leading privacy-friendly currencies such as Monero. Dr. Au is also an expert member of the China delegation of ISO/IEC JTC 1/SC 27 working group 2 - Cryptography and security mechanisms and a committee member of the Hong Kong Blockchain Society R&D division.


Dr. John Tsz Ho Yuen is an assistant professor in the Department of Computer Science at the University of Hong Kong. Before joining the University of Hong Kong, he was a senior researcher of Shield Lab at Huawei Singapore Research Centre. He was a member of the Cryptography Expert Group in Huawei. He received his Ph.D. degree from the University of Wollongong in 2010 and worked as a post-doctoral fellow in the University of Hong Kong before joining Huawei. His current research interests include cryptography (such as public key encryption, digital signatures, identity-based encryption), privacy-preserving protocols (such as anonymous credential, zero-knowledge proof system) and blockchain (such as consensus, payment channel, confidential transactions).

Photos Day 2 - 1
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