Qiang Tang

Senior Lecturer
(U.S. Associate Professor)
School of Computer Science
The University of Sydney

Phone: +61 2 9114 2199
Email: qiang.tang (at) sydney.edu.au

qiang's picture

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If you are self-motivated, and enthusiastic about doing research for a Ph.D. on cryptography and blockchain, please drop me an email with your CV.


2022.1.   Stellar Foundation donated two gifts to support our research on consensus and privacy problems.
2021.12. Our new fast asynchronous consensus Speeding Dumbo will appear at NDSS 22.
2021.12. Qiang is invited to join PC of CCS 22, ICDCS 22, both on blockchain track. Please submit your good work.
2021.10. Filecoin/Protocol Labs donates a gift to support our research on Verifiable-capacity bound function.
2021.10. Our talk at ConsensusDay'21 organized by Protocol Labs/Filecoin about Dumbo protocols is online.
2021.8.   Our result solving a 10+ year open problem about "Robust Randomness Extractor" was accepted to TCC 21.
2021.8.   Our result "Hierarchical Integrated Signature and Encryption" was accepted to ASIACRYPT 21.
2021.8.   Our result studying delivery fairness P2P content delivery via Blockchain was accepted to ESORICS 21.
2021.8.   Qiang give an invited talk about Dumbo Protocol Family at Trust Day of KDD 2021.
2021.5.   Our work on "witness authenticating NIZK proofs" was accepted to CRYPTO 21! Congrats Hanwen!
2021.5.   Qiang is invited to serve as PC for USENIX Security '22, PKC '22 , and Financial Crypto '22 , please submit your good works.
2021.4.   Qiang delivered an invited talk at Facebook Novi about Bolt-Dumbo-Transfomer.
2021.1.   Qiang delivered an invited talk at AtheCrypt2021 about Dumbo.
2021.1.   Qiang joined The University of Sydney as a Senior Lecturer (U.S. Associate Professsor) from Jan 2021.
More news ...

About Me:

I am currently an Senior Lecturer (equal to U.S Associate Professor), at the School of Computer Science of The University of Sydney.

From 2016.8 -- 2020.1, I was an assistant professor at computer science department of New Jersey Institute of Technology and co-directing the JACOBI Blockchain Lab with JD vice president Prof. Jian Pei , and ISCAS vice chief engineer, Prof. Zhenfeng Zhang. Prior to that, I was a postdoc at Cornell University, and I was also a member of the
Initiative for Crypto-Currencies and Contracts (IC3). My host is Prof. Elaine Shi.   Before joining Cornell, I received my PhD from the University of Connecticut under the supervision of Prof. Aggelos Kiayias and Prof. Alexander Russell.   A bit more...

Research Interests:

My research interests lie in applied & theoretical cryptography, blockchain technology, privacy and computer security. And it is currently supported by Protocol Labs, Stellar Foundation, and USYD.

My research was previously also supported by NSF, JD.com, AFRL, Google, DoE, Protocol Labs, Particl Foundation, and NJIT .

Publications: DBLP, Google Scholar

Selected publications:
  • Blockchain Technology: CCS 15,20, NDSS 20, 22, PODC 20, ICDCS 18,20, ESORICS 20,21 ...

  • Post-Snowden Cryptography: ASIACRYPT 16, CCS 17, CCS 17 Tutorial, CRYPTO 18, PKC 19...

  • Accountability: CCS 13, CCS 15, ESORICS 15, ESORICS 18, CRTPYO 21...

  • Information Theoretic Security: EUROCRYPT 16, TIFS 16, ITC 21..
Complete publication list ..

Honors and Awards:

  • 2020, YWCC Research Award, NJIT
  • 2020, Member, Sigma Xi
  • 2019, MIT Technical Review, 35 Chinese Innovators Under 35
  • 2019, Google Faculty Research Award
  • 2016, Asiacrypt Conference Paper Award
  • 2015, Taylor Booth Fellowship
  • 2013-15, Pre-Doctoral Scholarship, UCONN


Visitors and Students:

  • Visiting Scholars:
  • Postdocs:
  • Ph.D students:
    • Zhen-Liang Lu (USyd, incoming)
    • Yanan Li (USyd incoming)
    • Tian Qiu (USyd incoming)
    • Songlin He (NJIT, Co-advised with Prof. Chase Wu)
    • Craig Kenney (NJIT, Co-advised with Prof. Chase Wu)
  • Master students:
  • Alumni:
    • Long Chen (postdoc from 2018.7 -- 2020.6, now an associate professor at Institute of Software, Chinese Academy of Sciences)
    • Yuan Lu (Ph.D., graduated 2020, now a faculty member at Institute of Software, Chinese Academy of Sciences)
    • Kunpeng Wang (visiting professor from Chinese Academy of Sciences)
    • Bo Pang (visiting Ph.D student from Chinese Academy of Sciences)
    • Hanwen Feng (visiting Ph.D student from Beihang University; now a researcher at Alibaba Research)
Complete list ..

Selected Professional Activities:

Complete activitie list ..

Media Coverage:


  • My Erdös number is 3 :-).
         Me → Nikos Leonardos → Michael Saks → Erdös
         Me → Alex Russell → Leonardo J. Schulman → Erdös
         Me → Moti Yung → Naga Alon → Erdös