This article is the 33rd entry for the #AcompanyChristmasAdventCalendar2023. I’m Yamauchi Katsuyoshi, a backend engineer from the Data Clean Room team of Acompany’s Product Division. Founded in 2018 at Nagoya University, Acompany is a pioneering startup in the field of privacy tech. We’ve developed QuickMPC, a robust engine for secure multiparty computation, and have made it available as OSS.