Stealth co-founder Rafail Ostrovsky (UCLA), in collaboration with Xiaoqi Duan (Tsinghua University,), Vipul Goyal (Carnegie Mellon University & NTT Research), Hanjun Li (University of Washington), Antigoni Polychroniadou (J.P. Morgan AI Research), and Yifan Song (Carnegie Mellon University), published a paper “ACCO: Algebraic Computation with Comparison” in CCSW ’21: Proceedings of the 2021 on Cloud Computing Security Workshop.