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Sui Hackathon Romania 🇷🇴

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. 🌍


Hackathon Tracks for your location

Cluj Iași
DeFi & Crypto DeFi
AI & Blockchain AI + Blockchain
City Tech & Education Gaming + Blockchain

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


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: 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”.

AI-Generated On-Chain Content (Medium)

Concept: Generate text or images with 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”).
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: Clicker/idle game where players earn points and claim on-chain rewards.
Sui use: Store player scores as on-chain objects, transactions to claim rewards, wallet login.
Stretch goal: NFT badges for top players or daily leaders.

NFT Arena Battler (Medium)

Concept: NFT fighters battle in turn-based matches.
Sui use: Character NFTs, on-chain match results, smart contract battle logic.
Stretch goal: Marketplace for trading characters and items.

Player-Owned Game Economy (Advanced)

Concept: Multiplayer game with weapons, skins, and land as true on-chain assets.
Sui use: Sui objects for items, on-chain crafting/upgrades, in-game token.
Stretch goal: Player-governed rules via on-chain voting.


CityTech & Education

Blockchain Attendance Tracker (Easy)

Concept: Attendance records that cannot be edited later.
Sui use: Immutable Sui objects, wallets as teacher/student IDs.
Stretch goal: Attendance certificates as NFTs.

Digital Diploma Vault (Medium)

Concept: Blockchain-backed diplomas verifiable by employers.
Sui use: Non-transferable diploma NFTs, public verification, wallet identity.
Stretch goal: Revocation and re-issuance with audit history.

Smart City Grants Platform (Advanced)

Concept: Citizens vote on allocation of city funds.
Sui use: Smart contracts for funds, on-chain voting, public spending tracking.
Stretch goal: Quadratic voting and milestone-based fund release.


FAQ

How many people can be on a team?
Teams may have one to four members.

In what language should we present our project?
Romanian or English.

Are food and drinks provided?
Yes. Meals, snacks, and beverages will be available.

Can we work overnight?
Yes, but venue access is only available during daytime hours.

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:

  • Proper use of shared/party/owned objects
  • Capability objects for access control
  • Data structures such as vector and Table

Move Tests

  • Tested functions and flows
  • Higher test coverage is encouraged

Frontend (React / Typescript)

  • Wallet connection via dapp kit
  • Reading and displaying on-chain data
  • Submitting transactions to update on-chain state

Pitching & Demo Guidelines

Each team will present to judges and audience.

Format

  • Pitch Duration: Up to 5 minutes
  • Q&A: Optional, up to 4 minutes
  • Total: Max 9 minutes per team

What to Include

  1. Your solution and what makes it unique
  2. Sui integration (Walrus, Seal, etc.)
  3. Live demo or 3–5 min video
  4. Impact & future plans

Tips

  • Focus on clarity
  • Rehearse to stay on time
  • Use concise, visual slides
  • Prepare a backup demo

Reminders

  • Presentations are on-site
  • Projector + HDMI provided
  • Bring adapters if needed
  • Teams arrive 10 minutes early

Judging Flow

After each demo:

  • Judges may ask follow-up questions (max 4 min)
  • Scoring is individual and asynchronous

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