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Where code meets combat.

Welcome to the Sui x ONE Samurai (Apr 2026) Tokyo Builders’ Arena, a coding competition inspired by the spirit of martial arts and innovation.

In this one-of-a-kind builder event, you’ll go head-to-head to create projects that push the boundaries of what’s possible with Sui, all while channeling the focus, discipline, and creativity of the ONE Championship ethos.

Winners will be invited to attend the inaugural ONE Samurai at Ariake Arena.

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Event Overview

The Sui x ONE Samurai Tokyo Builders’ Arena is a builder showdown where developers, designers, and innovators collaborate to create projects that merge technology, creativity, and community.

This event combines the energy of a hackathon with the intensity of a martial arts tournament, all set in Tokyo, the home of innovation and discipline.

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Schedule

Date & Time Activity
Sat, Apr 25th, 12:00 JST Submission Deadline
Sun, Apr 26th, 21:00 JST Announce Shortlisted Teams
Tue, Apr 28th, 18:30-22:30 JST In-person demo presentations
Wed, Apr 29th, 17:00 JST Winners will be invited to attend the first ever ONE Samurai event
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Registration Details

Sign up here:

Sui x ONE Samurai Tokyo Builders' Arena · Luma

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Venue

6F, CoinPost Inc., Sakai-Suehiro Building, 6–14 Sotokanda, Chiyoda-Ku, Tokyo 101-0021

〒101-0021 東京都千代田区外神田6丁目14 サカイ末広ビル 6F 株式会社CoinPost

Google Maps:

https://maps.app.goo.gl/1FxRRM8khUhrQJat8

https://maps.app.goo.gl/1FxRRM8khUhrQJat8

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The Challenge

💡 Your mission: Help ONE Championship or their athletes engage more deeply with Japanese audiences through Sui technology.

You may choose to:


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Awards & Prizes

🥇 1st Place - $3,000

🥈 2nd Place - $1,500

🥉 3rd Place - $750

🎟️  Plus tickets to ONE Samurai at Ariake Arena on April 29th, 17:00 JST

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How to Submit Your Project

All participating teams must submit their projects through **DeepSurge,** the official hackathon submission platform.

A detailed guide on the instructions can be found here:

How to register & submit your project on DeepSurge

Your project submission must include the following (at the minimum):

Submit your project by the deadline: Saturday, Apr 25, 2026, 12:00(noon) JST

⚠️ Late submissions will not be accepted, so please ensure your project is finalized and submitted before the deadline.

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How Projects Will Be Evaluated

Here’s how your project will be evaluated by our judging panel. While scoring specifics may vary per judge, these are the core criteria they’ll be using to assess all submissions:

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🧠 Innovation & Creativity (30%)

How original and forward-thinking the project is in addressing its problem statement.

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🌐 Practical Impact/Usefulness (30%)

The real-world relevance, scalability, and potential long-term value of the project.

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🛠️ Technical Implementation (30%)

The quality, functionality, and technical depth of the solution, especially how effectively it uses Sui.

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🎤 Pitch Quality/Presentation (10%)

How clearly and convincingly the team presented their idea and solution.

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Pitching & Demo Day Guidelines

Each shortlisted team will have the opportunity to present its project to the judging panel and audience.

This is your moment to showcase your creativity, technical execution, and impact. Make it count!

Format

What to Include in Your Pitch

Your presentation should cover:

  1. Problem Statement - What challenge are you addressing (e.g., fan engagement, athlete tools, event innovation)?
  2. Your Solution - How your project solves it and why it’s unique.
  3. Sui Integration - Show how your app uses Sui and any related tools (e.g., Walrus, Seal, Nautilus).
  4. Demo - Live demo preferred, or a 3-5 minute video if live presentation isn’t possible.
  5. Impact & Future Plans - How your project could evolve beyond the hackathon.

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