Blockchain & Web3 Hackathons in 2026
Explore 50 blockchain & web3 hackathons in 2026. Hackathons exploring blockchain technology, smart contracts, DeFi, DAOs, and decentralized applications.
Hackathons
50
Avg Prize
$96K
Organizers
59
Friday, August 21, 2026
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
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
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