Yahoo! JAPAN Hack Day 2021 -ONLINE-

On January 12, 2021, Japan’s largest hackathon “Yahoo! JAPAN Hack Day 2021 -ONLINE-” opened for applications. Hack Day 2021 is a team-based hackathon sponsored by Yahoo! Japan Corporation giving 24 hours for a marathon of intense brainstorming, ideation, coding, and developing action using various technologies provided by several companies in the tech space.

EAGLYS is providing participants with the technology of high-performance encryption and secret calculation software DataArmor Gate DB and DataArmor Gate AI. At the end of this event, the “EAGLYS Award” will given as a technology award, and will be decided by Research Engineer Kentaro Mihara.

We hope that you will take this opportunity to experience EAGLYS’ technology while enjoying the hackathon.

*”DataArmor Gate DB” & “DataArmor Gate AI” is a high-performance State-of-the-art encryption / secret calculation proxy software that applies homomorphic encryption, fully homomorphic encryption, secure multi-party computation, functional encryption, and secure enclave to perform calculations and AI analysis without the need to decrypt the data from the database. DataArmor software received the Tokyo Venture Technology Encouragement Award at the Tokyo World Outreach Competition.

Event Details

Registration Period: 12/01/2021 (Tue) – 12/03/2021 (Fri)
Number of teams: 100
Members per team: 2-6
Fee: 1,000 yen
Technology introduction event: 20/02/2021 (Sat) 14:00-17:00 JST
Hackday: 20/03/2021 (Sat) 11:30 – 21/03/2021 (Sun) 19:00 JST
Award Ceremony: 27/03/2021 (Sat) 13:00 JST


  • Grand Prize
  • Happy Hacking Award
  • Technology Award
  • ClearML ML-Ops Award
  • EAGLYS Award
  • JCV Award
  • Jij Award
  • LINE Blockchain Developers Award
  • LINE CLOVA Award
  • Scalar Award
  • Vald Award
  • NLU Award