Jens Groth
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 pairing-based zero-knowledge proof scheme. 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.[1]