Over $1,000,000 in prizes & seed funding
Two years of Sui’s flagship hackathon
Sui Overflow 2025 is the second edition of Sui's global virtual hackathon, uniting builders and developers worldwide to redefine innovation, performance, and ownership. With over $500,000 USD in prizes across 8 project tracks, take this opportunity to shape the future on Web3's most powerful and composable platform.
Hackathon winners also have the chance to be selected for an exclusive incubator, offering tailored support and access to an additional $500,000 USD seed funding pool to bring their groundbreaking ideas to life.
Why join Sui Overflow 2026?
Sui Overflow 2026 is a global virtual hackathon featuring selected tracks, with opportunities designed to recognize both top-performing teams and standout projects.
Timeline
Road to Sui Overflow 2025
Registration opens
February 12
Hackathon
Project submission
Open until May 23
Demo days
June 13 & 14
Final winners announced
End of June
OceanDAO Summit
Period
July 21–31, 2025
Location
SuiHub Athens, Greece
Access Sui’s engineering and ecosystem experts
Chance to win your share of the prize pool
Build alongside high-signal teams from around the world
Join exclusive workshops, events, and sessions
Get your project in front of leading judges and leaders
Create momentum for your project beyond the hackathon
Tracks
DeFi
Build next-gen DeFi apps on Sui, with a special focus on BTCFi & novel uses for BTC bridging to Sui.
Track sponsor:
Infra & Tooling
Develop building blocks and dev tooling for greater scalability, composability, and interoperability.
AI
Leverage Sui to build agents and apps at the intersection of AI and decentralized technology.
Cryptography
Build secure, high-performance apps with Sui’s native cryptography features.
3rd place prize sponsor:
Degen
Dogs, cats, and aquatic animals–get creative with anything related to memes and viral degen culture.
Track sponsor:
Payments & Wallets
Develop fundamental payment rails or wallet infra to power the decentralized web and apps on Sui.
3rd place prize sponsor:
4th place prize sponsor:
Entertainment & Culture
Create a consumer-facing app in gaming, NFTs, sports, media, and more.
3rd place prize sponsor:
4th place prize sponsor:
Explorations
Explore multi-chain or emergent use cases, such as RWA, DePIN, and global asset coordination.
Track sponsor:
Programmable Storage
Build apps that deeply integrate the programmable storage capabilities of Sui and Walrus.
Track sponsor:
Prizes
Track prizes
1st place
$30,000 USD
2nd place
$15,000 USD
3rd place
$10,000 USD
4th place
$7,500 USD
Awards
These can be won alongside other prizes.
University Award
$2,500 USD to 10 winners
If you’re a team of university students, this special hackathon prize is for you!
Community Award
$25,000 USD to winners
A special prize awarded to the most savvy voters during community voting.
Tracks drop May 7 at Sui Live
The Sui Overflow 2026 tracks will be revealed at Sui Live in Miami on May 7, 2026, and released online at the same time. Pre-register now to be first to know.
FAQ
Sui Overflow 2026 is a global online hackathon where developers and builders create projects on Sui across focused tracks.
It’s an opportunity to build alongside a global community, explore new ideas, and gain recognition through prizes and ecosystem support.
Pre-registration is now open. Sign up to receive updates, early access, and next steps as the hackathon approaches.
Anyone is welcome to participate in Sui Overflow 2026! Whether you're a seasoned Web3 developer, a designer, or just starting to explore blockchain, you’re welcome to join. There are no experience requirements - just bring your ideas and motivation.
There are many developer resources available to help you get started with Sui and Move. Access the Sui developer docs, explore developer tools and resources on the Sui developer portal, or take a self-paced intro course to Move to get started.
If you have additional questions, please contact devrel@sui.io.