Blockchain & Web3 Hackathons

Explore 50 blockchain & web3 hackathons. Hackathons exploring blockchain technology, smart contracts, DeFi, DAOs, and decentralized applications.

Hackathons

48

Avg Prize

$39K

Organizers

44

Friday, August 21, 2026

Ongoing

Crypto's Got Talent Season 2

Online
Sep 4, 2025 – Aug 30, 2026IoTeXOnline$100
Artificial Intelligence
Blockchain
Data Science
Ongoing

Common S3nse

Online
Dec 10, 2025 – Sep 12, 2026CryptoCanalOnline
Blockchain
Cybersecurity
Data Science
Ongoing

MDBA Youth Blockchain Hackathon

Online
Feb 27 – Nov 1, 2026Blockchain Legal InstituteOnline$50K
Blockchain
Artificial Intelligence
Social Impact
Ongoing

AlgoBharat Regional Hackathons

Online
Mar 19 – Dec 31, 2026AlgorandOnline
Blockchain
Edtech
Social Impact
Ongoing

BLI Legal Tech Hackathon 2

Online
May 15 – Nov 1, 2026Blockchain Legal InstituteOnline$50K
Blockchain
Fintech
Artificial Intelligence
Ongoing

DropHack

In Person
Jun 20 – Aug 29, 2026SIEC CommunityGurugram, India$600
Social Impact
Artificial Intelligence
Blockchain
Ongoing

UXmaxx Hackathon

Online
Jun 22 – Aug 21, 2026Encode ClubOnline
Blockchain
Artificial Intelligence
Ongoing

WEEX AI Wars II: Rise of Intelligence

Online
Jul 7 – Aug 31, 2026WEEX LABsOnline$200K
Artificial Intelligence
Web Development
Blockchain
Ongoing

WEEX AI Wars II：人类 vs AI

Online
Jul 7 – Aug 31, 2026WEEX LABsOnline$200K
Artificial Intelligence
Web Development
Blockchain
Ongoing

WEEX AI Wars II：人類 vs AI

Online
Jul 7 – Aug 31, 2026WEEX LABsOnline$200K
Artificial Intelligence
Web Development
Blockchain
Ongoing

Programmable Money Hackathon

Online
Jul 12 – Aug 30, 2026Encode ClubOnline
Fintech
Blockchain
Web Development
Ongoing

IEEE HackSynapse 2026

In Person
Jul 15 – Sep 6, 2026MADHAV INSTITUTE OF TECHNOLOGY AND SCIENCEGwalior, India$624
Artificial Intelligence
Blockchain
Ongoing

Bitmela Launchpad: Ideathon 01

In Person
Jul 22 – Oct 31, 2026BitmelaJaipur, India$2K
Artificial Intelligence
Cloud Computing
Blockchain
Ongoing

COMPSPHERE 11

Online
Aug 3 – Sep 17, 2026President UniversityOnline$1K
Data Science
Blockchain
Web Development
Featherless AIIncogniClouraSailyNord PassNord VPN
Ongoing

Orvix Hackathon

Online
Aug 3 – Sep 21, 2026NIMBLUXOnline
Artificial Intelligence
Blockchain
Cloud Computing
Ongoing

Build With Gemini - HackMatrix

In Person
Aug 5 – Sep 5, 2026Trainzex AIJaipur, India
Blockchain
Cybersecurity
Artificial Intelligence
Ongoing

Hackblox AI & Open Source Hackathon

Online
Aug 5 – Sep 3, 2026Hackers CultOnline
Open Source
Artificial Intelligence
Blockchain
Ongoing

Brainwave 2026 – Midnight Track

Online
Aug 10 – Aug 27, 2026ACTS EDCOnline$220
Blockchain
Data Science
Web Development
midnight
Ongoing

0G Bridge by AKINDO

Online
Aug 13 – Sep 10, 20260GOnline$80
Artificial Intelligence
Blockchain
Data Science
Ongoing

BUIDL CTC 2026 Fall - BUIDL For The Real World

Online
Aug 13 – Sep 6, 2026BUIDL CTCOnline$15K
Blockchain
Artificial Intelligence
Game Development
Ongoing

ONE HACK: 8 Hours Web3 Hackathon

In Person
Aug 14 – Sep 13, 2026Hackers CultDelhi, India
Blockchain
Artificial Intelligence
Cloud Computing
Ongoing

NexHack 2.0

In Person
Aug 15 – Nov 25, 2026Geeta University, Naultha, PanipatPanipat, India$600
Blockchain
Artificial Intelligence
Cloud Computing
Ongoing

Dora Hack 2.0

In Person
Aug 19 – Aug 30, 2026TBA
Web Development
Mobile Development
Blockchain
Ongoing

AI, Web3 & FutureTech Hackathon 2026, Lucknow

In Person
Aug 21 – Aug 22, 2026HackIndiaLucknow, India
Artificial Intelligence
Blockchain

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Past hackathons

Recently ended — many run again.

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