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Hossein Hafezi
478 posts
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@RandomString00

Hossein Hafezi

@RandomString00
PhD @ University of Cambridge, previously at NYU
Cambridge, UK
hosseinhafezi.com
Joined June 2018
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  • Pinned
    @RandomString00
    Hossein Hafezi
    @RandomString00
    Jun 26, 2025
    “Enjoy the small things.” Good reminder.
  • @RandomString00
    Hossein Hafezi
    @RandomString00
    Feb 21
    Kinda reflects the state of the job market everywhere:
    @ThomasVanRiet2
    Thomas Van Riet
    @ThomasVanRiet2
    Feb 21
    350 applicants for a PhD position in theoretical physics. It grows every time. Not just in Leuven, but everywhere.
    1
  • @RandomString00
    Hossein Hafezi
    @RandomString00
    Nov 19, 2025
    1) We present the first truly private, single-server zkSNARK delegation scheme for well-known group-based zkSNARKs such as Groth16, Plonk, and Nova. Our core idea is to delegate the prover’s most expensive computation—namely, the MSM—to a single server.
    11
  • @RandomString00
    Hossein Hafezi
    @RandomString00
    Oct 12, 2025
    (1) In this paper, we provide a unified framework for lookup table arguments, considering some overlooked aspects such as projectiveness and different modes of compatibility with proof systems.
    1
  • @RandomString00
    Hossein Hafezi
    @RandomString00
    Sep 5, 2025
    The long-standing challenge of making key transparency both self-auditable and practical has been solved! IronDict scales to billions of users, making it suitable for platforms like iMessage, WhatsApp, and Signal.
    @alrshirzad
    Alireza (Ali) Shirzad
    @alrshirzad
    Sep 5, 2025
    Check out our new paper: IronDict — Transparent Dictionaries from Polynomial Commitments 🔑 1B entries audited in 35ms with an 8KB proof 📉 300× faster auditer, 150,000× smaller proofs than @WhatsApp's AKD 📄 eprint.iacr.org/2025/1580 💻 github.com/alireza-shirza…
    1