Stealth co-founder Rafail Ostrovsky (UCLA), in collaboration with Yuval Ishai (Technion), Eyal Kushilevitz (Technion), Varun Narayanan (UCLA), and Akash Sha (UCLA), published a paper “Query-Reusable Proof Systems” at the 44th annual international conference on the theory and applications of cryptographic techniques (Eurocrypt 2025).