Publications by Topic (Google Scholar)

  1. Hekaton: Horizontally-Scalable zkSNARKs via Proof Aggregation (PDF) (Code)
    Michael Rosenberg, Tushar Mopuri, Hossein Hafezi, Ian Miers, Pratyush Mishra
    Proceedings of the 2024 ACM SIGSAC Conference on Computer and Communications Security
  2. KZH-Fold: Accountable Voting From Sublinear Accumulation (PDF) (Code)
    Benedikt Bunz, Hossein Hafezi, George Kadianakis, Arantxa Zapico
    Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security
    In Collaboration with Ethereum Foundation
  3. IronDict: Transparent Dictionaries from Polynomial Commitments (PDF) (Code)
    Hossein Hafezi, Alireza Shirzad, Benedikt Bunz, Joseph Bonneau
    Proceeding of 35th USENIX Security Symposium
  4. SoK: Lookup Table Arguments (PDF)
    Hossein Hafezi, Gaspard Anthoine, Matteo Campanelli, Dario Fiore,
    Proceeding of Financial Cryptography and Data Security 2026
  5. Single-Server Private Outsourcing of zk-SNARKs (PDF)
    Kasra Abbaszadeh, Hossein Hafezi, Johnathan Katz, Sarah Meiklejohn
    Under submission
    In Collaboration with Google Research (USA)
  6. WillowFold: Secure Aggregation with a Lightweight Committee
    Hossein Hafezi, Kasra Abbaszadeh, Adrià Gascón, Phillipp Schoppmann, Mariana Raykova, Benedikt Bunz
    Under submission
    In Collaboration with Google Research (USA)
  7. Fair Signature Exchange (PDF) (Code)
    Hossein Hafezi, Aditi Partap, Sourav Das, Joseph Bonneau,
    Cryptology Eprint

Talks

KZH-Fold: Accountable Voting from Sublinear Accumulation (Slides)

IronDict: Transparent Dictionaries from Polynomial Commitments (Slides)

Service

External reviewer in Eurocrypt 2025, CCS2025, USENIX 2026, FC 2026
Volunteer staff in Eurocrypt 2025 (Madrid)