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Jens Groth

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Jens Groth is a cryptographer, the Chief Scientist at Neuxs, and formerly a professor at University College London. He is known for his work on pairing-based cryptography and zero-knowledge proofs.

Research

Groth's 2016 paper, On the size of pairing-based non-interactive arguments, described a succinct, noninteractive zero-knowledge proof scheme based on pairings, commonly referred to as "Groth16".[1] It is quite compact, with proofs consisting of just three group elements. It is used in several cryptocurrency protocols, such as Zcash and Tornado Cash.[2] A subsequent work by Helger Lipmaa showed that even smaller proofs are possible, reducing proof sizes from 1792 bits to 1408 bits for practical parameters.[3]

References

  1. ^ Groth, Jens. On the Size of Pairing-Based Non-interactive Arguments. EUROCRYPT 2016. Springer.
  2. ^ Bloemen, Remco. "Groth16".
  3. ^ Lipmaa, Helger. Polymath: Groth16 Is Not the Limit. CRYPTO 2024. Springer.