Web3 Hackathons - BlockchainHQ

404 Mission Found

foundcode404

Online Mar 15, 2026 - Mar 21, 2026

beginner friendly

open ended

social good

beginner friendly

open ended

social good

$625

$62536 days left

She ships - 8M hackathon

crafter station

Online Mar 6, 2026 - Mar 8, 2026

beginner friendly

social good

web

beginner friendly

social good

web

$123 days left

SNS Ideathon 2026

SNS Institutions

Online Feb 12, 2026 - Feb 15, 2026Ending Soon

social good

iot

health

social good

iot

health

$42 days left

The UK AI Agent Hack | The Largest Web3 x AI Hackathon in Europe

Imperial Blockchain

Imperial College London, Exhibition Road, South Kensington, London SW7 2AZ, UK Mar 15, 2025 - Apr 10, 2025

blockchain

web3

blockchain

web3

$721

$721Ended

HackFax x PatriotHacks 2026

PatriotHacks

Online Feb 13, 2026 - Feb 15, 2026Ending Soon

aws

open ended

cybersecurity

aws

open ended

cybersecurity

$62 days left

Authorized to Act: AI Agents with Auth0

Okta

Online Feb 23, 2026 - Apr 7, 2026

beginner friendly

llm

beginner friendly

llm

$10.0K

$10.0K53 days left

Ordeflow 001

Orderflow

Online Mar 22, 2026 - Mar 24, 2026

blockchain

crypto

fintech

blockchain

crypto

fintech

$500

$50039 days left

HenHacks 2026

University of Delaware

Online Feb 28, 2026 - Mar 1, 2026

beginner friendly

social good

beginner friendly

social good

$116 days left

Geminathon

Major League Hacking

Online Mar 1, 2026 - Mar 3, 2026

react

machine learning/ai

react

machine learning/ai

$118 days left

Sillycon Valley

UAIS

Online Feb 13, 2026 - Feb 14, 2026Ending Soon

beginner friendly

machine learning/ai

beginner friendly

machine learning/ai

$31 days left

Gemini Hack Kigali

coodic

Online Feb 11, 2026 - Mar 9, 2026

machine learning/ai

education

machine learning/ai

education

$124 days left

SUTD Build For Campus Hackathon 2026

SUTD

Online Feb 11, 2026 - Feb 13, 2026

beginner friendly

flutter

software development

beginner friendly

flutter

software development

$50

$50Ended

Hea Hackathon: “AI in Search of Hidden Health Signals”

Hea

Online Feb 10, 2026 - Feb 13, 2026

machine learning/ai

health

machine learning/ai

health

$1.0K

$1.0KEnded

Code for Connection: Open Lines, Open Source

Worth Rises

Online Mar 7, 2026 - Mar 8, 2026

social good

web

communication

social good

web

communication

$123 days left

GenAI Zürich Hackathon 2026

GenAI Zurich

Online Mar 2, 2026 - Mar 18, 2026

agents

llm

agents

llm

$10.9K

$10.9K33 days left

The XiBit

GitHub

Brainware University, Ramkrishnapur Rd, near Jagadighata Market, Barasat, Kolkata, West Bengal, India Mar 11, 2026 - Mar 11, 2026

programming languages

blockchain platforms

programming languages

blockchain platforms

TBA

TBA26 days left

GEC CODERS' CLUB HACK DAY

Major League Hacking

Online Feb 27, 2026 - Feb 28, 2026

beginner friendly

machine learning/ai

web

beginner friendly

machine learning/ai

web

$115 days left

CodeLites 2.0

ETHIndia

Pune District Education Association's College of Engineering, Road, Manjri, Wagholi, Maharashtra, India Feb 21, 2026 - Feb 22, 2026

blockchain

web3

blockchain

web3

$100

$1009 days left

Test Hackaton

Ukrainian QA Association

Online Feb 10, 2026 - Feb 21, 2026

ar/vr

$98 days left

WiCS Online Hackathon (Winter 2026)

De Anza Women in Computer Science

Online Feb 9, 2026 - Feb 16, 2026Ending Soon

beginner friendly

web

education

beginner friendly

web

education

$300

$3003 days left