※Entry period has ended.

web3 Global Hackathon 2023AW

Global Hackathon

Create the world’s leading web3 service.

From Japan, a web3 global hackathon festival for engineers from around the world. Since several companies participate in the project and set their development themes, the project is characterized by unique and interesting development themes that reflect the characteristics and strengths of each company.
Prize money is awarded for each theme, and winning teams can acquire an investment, an opportunity for joint development, growth support, and so forth from sponsors. Web3 Global Hackathon will be an opportunity to continue working with companies after the Hackathon.

web3 Global Hackathon 2023AW Digest Video

We are looking for ideas for new services utilizing web3 with unique and interesting development themes for two companies, Mazda Motor Corporation and MITSUBISHI ESTATE CO., LTD.

Venue:TOKYO TORCH / Zoom
※Information available on
Discord for entrants.

Venue:Mazda US office,
Irvine, California.

※For more information

※ Information will be available
on the Discord for entrants.

Manabu Osuga

General Manager, Global Marketing Strategy Department, Global Sales & Marketing Division, Mazda Motor Corporation. After 12 years in the U.S. office, he was assigned to his current position in April 2022.

Shougo Koui

Chief, MDI&IT Division, Mazda Motor Corporation. After being assigned to the IT Department of Mazda Motor Corporation, he was in charge of CAE-related systemization and promoted the implementation of HPC. After working as the project manager of the Connected System, he assumed his current position in November 2021.

Yuichi Hoshino

Chief Engineer, MDI & IT Division, Mazda Motor Corporation. After working for several SIer companies and product development companies, he joined Mazda Motor Corporation. He is currently working as a lead architect in Mazda's in-house development team.

Shota Takahashi

Bunzz pte ltd Co-founder CTO. Co-founded web3 startup LasTrust in 2019 and divested its core product CloudCerts in 2021. Co-founded Bunzz Pte. Ltd. in 2022, where he serves as CTO.

Yuhong Chen

Astar Foundation, Japan Head of Business Development. CEMS Master in International Management and Master in Economics. After graduating from graduate school, he engaged in technology investment and business support for startup companies at Microsoft Japan. Currently, he leads the Japan BizDev Team at Astar Foundation to develop businesses and partners in the Japanese market. Co-author, "Contemporary Finance and the Japanese Economy" (Keio University Press Inc.)

Naoki Tanizawa

Unit Leader, Commercial Property Business Strategy Department. In 2001, he joined Mitsubishi Estate Co. After working in the Building Sales Department and Hokkaido Branch, he worked in the TOKYO TORCH Division, where he promoted the TOKYO TORCH Tokiwabashi Tower, TOKYO TORCH Park planning and management, Another Japan Project, and other projects. Since 2023, he has been in charge of business strategy and promotion of industry-academia collaboration in the Commercial Property Business Strategy Department.

Yuki Shimura

Born in 1991, she moved to the U.S. at the age of 16. After graduating from the University of California Los Angeles (UCLA), She worked for two years in interdisciplinary research in social psychology and neuroscience under Professor Mina Cikara at Harvard University. She came to England as one of the first students of Masason Foundation and joined University College London (UCL). She joined Empath Inc. as Research Director in October 2020. In February 2022, she founded shiftbase, inc. with a focus on business development in the web3 domain.

Itsuki Tanaka

Founder and CTO of HEALTHREE PTE. LTD. He joined CyberAgent, Inc. as a mobile engineer for the SNS business. He then joined Tapple, Inc. as a board member of the technical and product teams. He co-founded HEALTHREE with CEO Yamamoto in June 2022.

RugRug Pudding

Life Science Ph.D.After completing his graduate studies at Kyoto University Graduate School, he joined the crypto asset market in 2016.He is a director of Kudasai Co., Ltd. which owns one of the largest crypto asset communities in Japan, “KudasaiJP”, founded in 2020. Kudasai Co., Ltd. is a company that supports the growth of not only web3 companies but also all projects and companies related to web3. The company provides multi-faceted and comprehensive growth support solutions ranging from planning and development of blockchain startups, advisory services, community expansion, and educational content.

web3 Global Hackathon 2023
Participation Terms

I hereby agree to the following matters as a participant in the following event (hereinafter referred to as "Event") organized by HAKUHODO KEY3 (hereinafter referred to as “Organizer”)

Name of Event: web3 Global Hackathon 2023
Date/Time: September 30, 2023 (Sat) - December 9, 2023 (Sat) (JST)
Venue: TOKYO TORCH Tokiwabashi Tower and Online

1.The purpose of the Event is for you as the Participant (“Participant” means an individual who has agreed to these terms and is participating in the Event, the same shall apply hereinafter) to create innovation by bringing the Participant’s diverse perspectives and knowledge to jointly create ideas as well as sharing and implementing the Participant’s techniques with other participants of the Event.
2.The Participant shall participate in the Event having the understanding of how ideas and deliverables to be created in the Event as stipulated in Paragraph 3 through Paragraph 7 of this agreement will be handled.
3.Copyrights*2, patent rights, utility model rights, design rights, trademark rights, and other intellectual property rights*3 as well as all other rights pertaining to the Deliverables*1 (hereinafter collectively referred to as “Intellectual Property Rights”) shall belong to the Participant who have created or submitted the Deliverables. The Organizer or any other related parties that coordinate the Event with the Organizer (hereinafter collectively referred to as “Coordinators”) *4 do not acquire the Intellectual Property Rights pertaining to the Deliverables.
4. Taking into consideration the purpose of the Event as stipulated in Paragraph 1 of this term, the Deliverables will be open source, and all the Participant and the Coordinators may freely use the Deliverables without a charge. The Participant who has created or submitted the Deliverables shall not exercise or cause any third party to exercise its moral rights against the Coordinators and other participants for the use of such Deliverables.

※1:”Deliverables” mean any and all deliverables including text, drawings, figures, 3D data, CG data, pictures, audio, video, software, and prototype created or otherwise disclosed (including posting or giving explanation) by the Participant (including other participants of the Event) in the Event . ※2:Including all the rights set forth in Article 27 and Article 28 of the Japanese Copyright Act ※3:Including the rights to acquire copyright, patent right, utility model right, design right, and trademark right, or rights to apply for the registration of these rights. ※4:"Coordinators” mean the Organizer, Sponsors, Guests, and Instructors of the Event. However, for Paragraph 4 through Paragraph 6 of these terms, ‘Guests’ and ‘Instructors’ are excluded from the definition of the Coordinators.

5.(1)In accordance with the methods separately specified by the Organizer, the Participant must decide, not later than March 31, 2024, whether or not the Deliverables will be commercialized and shall provide a report on such decision thereof to the Organizer, the Participant shall not provide such report to other parties before the provision of that report to the Organizer. In the circumstance that the Deliverables are to be commercialized, the Organizer and Participant may cooperate with each other to commercialize such Deliverables and shall, as necessary, discuss matters necessary to facilitate commercialization of such Deliverables including the acquisition of the Intellectual Property Rights pertaining to such Deliverables by the Coordinators.
(2)If the Coordinators requests for the commercialization of the Deliverables, the Coordinators shall separately communicate with the participants who created or submitted such Deliverables and shall take measures as prescribed in the second sentence of the preceding provision.

6.(1)The Coordinators may make posting of the Deliverables to a website (including SNS) or promotional materials including flyers and brochures (hereinafter collectively referred to as “Promotional Materials”) without a charge for advertisement and research (hereinafter referred to as “Post”). However, if the Participant requests for the suspension of the Post with the reasons deemed reasonable by the Coordinators by the end of the Event, the Coordinators shall take the utmost care of such request.
(2)Notwithstanding the provisions of the preceding paragraph, if other related parties of the Organizer and other participants make the Post, they shall inform thereof to the Organizer.
(3)If the Participant who created or submitted the Deliverables makes a request in relation to the Post including the suspension of the Post, the Coordinators shall endeavor to take utmost care of such request.
(4)The Coordinators may record the Event (in addition to the Deliverables) in any manner such as video recording or photo taking and may post such recorded Deliverables and the Events to the Promotional Materials without any charge. The Participant shall neither exercise any portrait rights, privacy rights, and publicity rights nor claim for any compensation in relation to such recording and posting.

7.The Participant shall not infringe any Intellectual Property Rights of any third party and engage in any act that violates laws and regulations and act that is contrary to public order and morals in relation to the creation of the Deliverables and the participation in the Event.

8.The Participant shall follow the rules and instructions specified by the supervisor of the facility holding the Event (hereinafter referred to as “Facility”) for the use of the Facility including the use of equipment, machines, device, and tools of the Facility.

9.The Coordinators shall assume no liability for any damage incurred to participants arising out of or in connection with any incidents or accidents that occur in relation to the Event, except where it is attributable to willful misconduct or gross negligence of the Coordinators.

10. If the Participant causes damage to equipment, machines, devices, and tools in the Facility, due to its willful conduct and negligence, the Participant may need to pay the repair cost or replacement cost of such equipment, machines, devices, and tools.

11.(1) The Participant shall use the information, including information related to the Coordinators’ techniques, sale, business, financial and organizational, that is provided or disclosed by the Coordinator, whether written or oral, or in recording media, or obtained during the Event or in relation to the Event (hereinafter referred to as “Confidential Information”) only to the extent necessary for the participation to the Event. Also, the Participant shall not disclose or divulge the Confidential Information to any third party without the prior written consent of the Coordinators who has disclosed the Confidential Information (hereinafter referred to as “Disclosing Party”). However, Participant shall not have any confidentiality obligations as provided for and in this paragraph for the information that falls under any of the following.
(i)information that is publicly known at the time of the disclosure
(ii)information that becomes publicly known through no fault of the Participant after disclosure thereof.
(iii)information that has been obtained by the Participant without assuming confidential obligation from a third party.
(iv)information that is already in the possession of the Participant at the time of the disclosure thereof.
(v)information that is independently developed by the Participant without reference to or use of the Confidential Information.
(2)The Participant may disclose the Confidential Information without the prior consent of the Disclosing Party if the disclosure of the Confidential Information falls under any of the following;
(i)in a case where disclosure is required by government offices or laws and regulations.
(ii)in a case where the disclosure is made to experts such as lawyers or certified public accountants who are subject to confidentiality obligations.
(3)If the Participant is required to disclose the Confidential Information in accordance with the provision of item 1 of the preceding paragraph, the Participant shall inform thereof to the Disclosing Party.
(4)If the Participant is required to disclose the Confidential Information to a third party, the Participant shall impose the same confidentiality obligations as those of this agreement to such third party and cause such third party to comply with such confidentiality obligation.

12.If the Participant breaches the provisions of this agreement or causes damage to the Coordinators or any third party, the Participant shall, at its own cost and responsibility, compensate for the damage and take measures to resolve the damage. Also, the Participant shall not claim any damage against the Coordinators.

13.(1)The Participant warrants that it does or will not fall under the category of anti-social forces (anti-social forces including an organized crime group, a member of an organized crime group, a person for whom five (5) years has not yet passed since leaving an organized crime group, quasi-member of an organized crime group, a related company or organization of an organized crime group, a corporate racketeer, a group engaging in criminal activities under the pretext of conducting social or political campaigns, crime groups specialized in intellectual crimes, and right-wing group, and persons equivalent thereof, the same shall apply hereinafter).
(2)The Participant covenants that it does not or cause the third party to engage in any one of the following acts:
(i)Violent demands;
(ii)Unreasonable demands exceeding legal responsibilities;
(iii)Act of using intimidating words or violation;
(iv)Spreading of rumors, use of fraudulent means, or use of force to harm the reputation of the Coordinators or the Coordonators’ business; or
(v)Any other acts that involve anti-social forces regardless of manners and situations.
(3)In the event that the Participant falls under the category of anti-social forces, the Coordinators may take any necessary and appropriate measures to exclude such participants from the Event without notice or demands.
(4)The Coordinators shall not be liable for any damage incurred to the Participant as a result of measures as prescribed in the preceding paragraph.

14.The Organizer may, at its discretion, change the content of the Event or cancel the Event. The Coordinators shall not be liable for any damage incurred to the Participant as a result of such change and cancellation.

15.(1) This term shall be governed by and construed in accordance with the laws of Japan.
(2) Any dispute arising out of or in connection with this agreement shall be submitted to the exclusive jurisdiction of the Tokyo District Court in the first instance

■Personal Information
・ The Organizer will, in accordance with its privacy policy, use the personal information of the Participant obtained in the course of the Event (name, address, Discord ID, e-mail address) for the following purposes;
- Registration to the Event, Delivery of registration completion e-mail.
- Invitation to dedicated Discord server.
- Screening and selection of the Deliverables.
- Sending information on final results and/or prize or responding to inquiries.
・The Organizer may provide sponsors with name, address, Discord ID, and e-mail address obtained.
・Except in the case stated above, the personal information of the Participant will not be disclosed or provided to any third party without the consent of the Participant (However, this shall not apply to a case where disclosure of personal information is permitted by laws and regulations without the consent of the Participant).
・Please refer to the "Privacy Policy” provided by the Organizer for the details of the handling of personal information including security measures taken by the Organizer and the Procedures concerning Requests for Disclosure etc.

Participation in the web3 Global Hackathon 2023AW, various events, and workshops is free of charge.
Teams of 1 to 4 members can participate.
Entries will be accepted until 6:59 PST on Friday, November 24, 2023. However, the entry deadline is the same as the submission deadline, so your entry will be considered only after the deliverables are submitted.
Please submit your entry well in advance, as you must submit deliverables after registration.
Participation in the event is free of charge, but transportation, accommodation, and other expenses related to participation are at your own expense.
Details will be announced on Discord or by individual emails.
Not only freelance engineers but also employees of a company are welcome to participate.
Entry is required for all events, please click the ENTRY button.
We expect projects to be built on Astar Network.
Only portions newly developed during the development period of September 30, 2023 (Saturday) ~ November 24, 2023 (Friday) will be subject to review. We are looking forward to receiving new ideas and products that meet the theme of this event.
We will review products even if they are still under development at the time of submission of deliverables.
Copyrights and other intellectual property rights related to the submitted deliverables will belong to the participants. For details, please refer to the terms and conditions.

[ Main Partners ]

[ Tech Partners ]

[ Community Partners ]

[ Media Partners ]

[ Organizer ]

HAKUHODO KEY3 is a web3 business production company established in December 2022 by Sota Watanabe, CEO of Startale Labs Japan, which provides consulting and development support using HAKUHODO and Astar Network development expertise.