Sui Hackathon

Welcome to the first Sui Hackathons in Romania, organized by Comets of Web3 Blockchain Builders Community and fully supported by Sui Foundation.

Get ready for an intense, fun, and rewarding journey of building, coding,
and innovating - all happening live in Romania. 🌍

What’s in it for you?

💰 $3,000 in prizes up for grabs!

🥐 Free breakfast, lunch, and refreshments to keep you fueled all day.

🧑‍🏫 Expert mentorship and technical support throughout the event.

🤝 A chance to network with top developers, entrepreneurs, and innovators.

🏆 Showcase your work to industry professionals and gain recognition.

📈 Opportunities to connect with recruiters or investors.

📃 Certificate of participation that you can add to your CV

👕 Swag packs

🎁 Special Prizes

Resources

Use this Sui Business Idea Generator Chat Bot we crafted for you to get you project idea ready ✨

If you'd like to integrate AI into your project, this is a comprehensive guide to do that.

If you’re new to the Sui blockchain tech stack, make sure at least one member of your team can write a smart contract, as it is mandatory as part of Hackathon-submitted projects. See these resources to get you started.

You can also use this Sui Engineer Chat Bot we made for you if you need help with your smart contract.

Here's a practical guide to Sui Hackathon you can use.

App Ideas and Inspiration

DeFi

On-Chain Prediction Market (Easy-Medium)

  • Concept: Users bet on crypto prices or events (“Will BTC > $70k in 1h?”).

  • Sui use: Escrowed funds, oracle data via Pyth/Supra, Move contracts for round resolution.

Risk Simulator Game (Easy)

  • Concept: Gamify DeFi education: simulate swaps, lending, yield farming in a fun, safe way.

  • Sui use: Smart contract mock markets, NFT avatars for players.

  • Stretch goal: Integrate leaderboard or reward XP NFTs.

Aggregated DEX Router (Advanced)

  • Concept: Build a lightweight aggregator for Turbos, DeepBook, and FlowX to find best swap routes.

  • Sui use: On-chain DEX APIs, off-chain route optimizer, Move router contract.

  • Stretch goal: Add fee-sharing for integrators or custom token routing.

Infra

On-Chain Event Notifier (Easy)

  • Concept: Monitor Sui events (transfers, mints) and notify via Telegram/Discord.

  • Sui use: RPC/WebSocket event listener.

  • Stretch goal: Custom filters per wallet or event type.

On-Chain File Explorer (Medium)

  • Concept: Visual explorer for files stored on Walrus StorageVaults/Sites.

  • Sui use: Index StorageVault objects and metadata.

  • Stretch goal: Drag-and-drop upload and file preview support.

CI/CD for Move (Advanced)

  • Concept: CLI that compiles and deploys Move packages automatically when pushed to GitHub.

  • Sui use: Automate sui client publish + testnet deployment.

  • Stretch goal: Add Seal/Walrus storage for version tracking.

Transaction Gas Optimizer (Medium)

  • Concept: Analyze historical transactions and estimate optimal gas budgets.

  • Sui use: Query blockchain data, compute avg. gas per package type.

  • Stretch goal: Integrate with wallets to auto-suggest gas limits.

AI

AI Assistant for Move Devs (Easy-Medium)

  • Concept: AI chatbot trained on Move + Sui docs.

  • Sui use: Optional on-chain query logging or feedback scoring.

  • Stretch goal: Add “Explain this error” or “Write test for this module” features.

AI-Generated On-Chain Content (Medium)

  • Concept: Generate text or images using AI and mint them to Walrus as immutable posts/NFTs.

  • Sui use: Walrus + Move mint module.

  • Stretch goal: Tip system or AI-minted collectible feed.

AI Copilot Wallet (Advanced)

  • Concept: Natural language wallet assistant (“Send 5 SUI to Alex”, “Show NFTs I bought yesterday”).

  • Sui use: Sui SDK integration for transactions, GPT for parsing commands.

  • Stretch goal: Voice input and transaction preview before signing.

Gaming + Blockchain

On-Chain Clicker Game (Easy)

  • Concept: A basic clicker or idle game where players tap to earn points and claim small on-chain rewards.

  • Sui Use: Store player scores on Sui as on-chain objects, Use Sui transactions to claim rewards, Wallet login for player identity

  • Stretch Goal: Add limited-edition NFT badges for top players or daily leaders.

NFT Arena Battler (Medium)

  • Concept: Players own NFT fighters and battle each other in simple turn-based matches.

  • Sui Use: Character NFTs minted on Sui, On-chain match results and win records, Smart contracts for battle logic and rewards

  • Stretch Goal: Add a marketplace for trading characters and items.

Player-Owned Game Economy (Advanced)

  • Concept: A multiplayer game where weapons, skins, and land are real on-chain assets.

  • Sui Use: All items stored as Sui objects, On-chain crafting and upgrades, In-game currency as a Sui token

  • Stretch Goal: Add player-governed rules via on-chain voting.


CityTech & Education

Blockchain Attendance Tracker (Easy)

  • Concept: A web app where teachers or organizers mark attendance that cannot be edited later.

  • Sui Use: Store attendance records as immutable Sui objects, Wallets as student or teacher IDs

  • Stretch Goal: Auto-generate participation certificates as NFTs.

Digital Diploma Vault (Medium)

  • Concept: Schools issue diplomas as blockchain-backed credentials that employers can verify instantly.

  • Sui Use: Mint diplomas as non-transferable NFTs, Public verification via Sui explorer, Wallet-based identity for students

  • Stretch Goal: Add revocation and re-issuance with audit history.

Smart City Grants Platform (Advanced)

  • Concept: Citizens can see how city funds are allocated and vote on small public projects.

  • Sui Use: Smart contracts to hold and release funds, On-chain voting per wallet, Public tracking of spending

  • Stretch Goal: Add quadratic voting and milestone-based fund release.

FAQ

  1. How many people can be on a team?

Teams may have one to four members.

  1. In what language should we present our project?

You may present in Romanian or English.

  1. Are food and drinks provided?

Yes. Meals, snacks, and beverages will be available for the entire event.

  1. Can we work overnight?

Yes. You may work at any time, but venue access is only available during daytime hours.

  1. Where can I find the Hackathon's code of conduct?

Read the Code of Conduct here.

Judging Criteria

Technical Requirements

Your submission should include:

✅ Smart Contract (Move module) demonstrating

- Deciding between using shared/party/owned objects for modelling the storage layer of the dapp

- Capability objects for access control on the corresponding functions

- Working with data structures to build collections e.g. vector , Table

✅ Move Tests verifying your smart contract logic

- Your functions and flows should be tested with move tests. The more scenarios that you cover in your tests (test coverage), the better.

✅ Frontend (React / Typescript) that allows users to

- Connect their wallet using dapp kit

- Reading and displaying on-chain data

- Submitting transactions to update the on-chain state

Pitching & Demo Guidelines

Each 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

- Pitch Duration: Up to 5 minutes per project demo

- Q&A Session: Optional up to 4 minutes of questions from the judges

- Total Time per Team: Maximum of 9 minutes

What to Include in Your Pitch

Your presentation should cover:

1. Your Solution - How your project tackles the problem and why it’s unique.

2. Sui Integration - Show how your app uses Sui and any related tools (e.g., Walrus, Seal).

3. Demo - Live demo preferred, or a 3-5 minute video if live presentation isn’t possible.

4. Impact & Future Plans - How your project could evolve beyond the hackathon.

Tips for a Great Demo

- Focus on clarity over quantity, show the most important features clearly.

- Rehearse your presentation to stay within time limits.

- If using slides, keep them short and visual.

- Prepare a backup recording or screenshots in case of technical issues.

Reminders

- Presentations will take place on-site at the event venue.

- A projector and HDMI cable will be provided, please bring your own adapters if needed.

- If you prefer, you may play a pre-recorded demo video (≤ 5 minutes).

- Teams should arrive 10 minutes before their slot to ensure setup runs smoothly.

Judging Flow

After each demo:

- Judges may ask brief follow-up questions (max 4 minutes).

- Scoring will be done individually and asynchronously to minimize bias.

Submitting on DeepSurge

All participating teams must submit their projects through

CLUJ: How to Register/Submit on DeepSurge

IASI: How to Register/Submit on DeepSurge

Submit your project before the deadline: Sunday 14th of December, 2025 at 14:00 (EET)

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