#events hackathon ideas

7 ideas across 3 categories · 3 beginner · 4 intermediate · 0 advanced. Sorted by judging fit (editorial estimate).

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AI Agents
Hackathon Organizer Agent
Plan judging rounds, rooms and mentor slots automatically from sign-up data
Intermediate18h1–3
LLMPythonGoogle Sheets
17/20
Climate
Repair Café Booking and Fix Log
Book a slot to fix a broken item and track what was saved from landfill
Beginner10h1–3
Next.jsFirebaseCharts
17/20
Web3
Provably Fair Raffle
Run giveaways with verifiable randomness
Intermediate12h1–2
SolidityVRFWagmi
17/20
Climate
Local Climate Action Finder
Find cleanups, tree plantings and climate events near you this week
Beginner8h1–2
Next.jsLeafletFirebase
16/20
Web3
Onchain Event Guestbook
Visitors sign a permanent guestbook at an event
Beginner6h1
SolidityScaffold-ETH
16/20
Web3
On-Chain Event Tickets
Issues tickets that can’t be faked and resell only at fair prices
Intermediate36h2–3
SolidityOpenZeppelinviem
15/20
Web3
Attendance Badges
Gives attendees a verifiable badge for each event
Intermediate24h1–3
SolidityOpenZeppelinNext.js
14/20

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