Aviv Yaish, MSc
Visiting Researcher

OfficeICT 3N03
Aviv Yaish, MSc

Research Interests

  • Economics and security of blockchains


02/2023 – 03/2023 Visiting Researcher, Department of Computer Science, University of Innsbruck, Austria, funded by the Austria Israel Academic Network Innsbruck and Land Tirol
since 2019 Doctoral Student, School of Computer Science and Engineering, The Hebrew University of Jerusalem (HUJI), Israel, funded by the Ze’ev Jabotinsky Fellowship given by the Ministry of Science & Technology, Israel


2016 – 2018 M.Sc. in Computer Science, The Hebrew University of Jerusalem (HUJI), Israel
2013 – 2016 B.Sc., Computer Science, The Hebrew University of Jerusalem (HUJI), Israel


  • Gafni, Y. and Yaish, A. Greedy Transaction Fee Mechanisms for (Non-)myopic Miners. In The 12th Annual Conference of the Israeli Chapter of the Game Theory Society, 2022. [Preprint]
  • Yaish, A., Stern, G., and Zohar, A. Uncle Maker: (Time)Stamping Out The Competition in Ethereum. In CESC ’22, Cryptology ePrint Archive, Paper 2022/1020, 2022. [Preprint] [Video]
  • Yaish, A., Tochner, S., and Zohar, A. Blockchain Stretching & Squeezing: Manipulating Time for Your Best Interest. In Proceedings of the 23rd ACM Conference on Economics and Computation. EC ’22, Association for Computing Machinery, New York, NY, USA, 2022, pp. 65–88. [Publisher] [Video]
  • Yaish, A. and Zohar, A. Correct Cryptocurrency ASIC Pricing: Are Miners Overpaying? In CESC ’22, 2020. [Preprint] [Video]


  • The Hebrew University’s award for excellence in teaching (2021)
  • The Hebrew University’s Rector award (2018)
  • The Hebrew University’s Dean prize (2018)
  • The “Amirim science” scholarship for outstanding students (2013)