Lately, at Acompany, we started using IDaaS, and steadily making use of One-Time Passwords (OTPs) has become a regular part of my daily grind. Motivated by this, I decided to dive in and get my hands dirty, exploring the nitty-gritty of generating OTPs. I’ll share the insightful stuff I gained after falling down the rabbit hole.

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.