Blockchain & Web3 Hackathons
Explore 50 blockchain & web3 hackathons. Hackathons exploring blockchain technology, smart contracts, DeFi, DAOs, and decentralized applications.
Hackathons
41
Avg Prize
$50K
Organizers
54
Sunday, September 13, 2026
Ongoing
Crypto's Got Talent Season 2
Online
Sep 4, 2025 – Dec 31, 2026IoTeXOnline$100
Artificial Intelligence
Blockchain
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
Bitmela Launchpad: Ideathon 01
In Person
Jul 22 – Oct 31, 2026BitmelaJaipur, India$2K
Artificial Intelligence
Cloud
Blockchain
Ongoing
COMPSPHERE 11
Online
Aug 3 – Sep 17, 2026President UniversityOnline$1K
Blockchain
Artificial Intelligence
Data Science
Ongoing
Orvix Hackathon
Online
Aug 3 – Sep 21, 2026NIMBLUXOnline
Artificial Intelligence
Blockchain
Cloud
Ongoing
0G Bridge by AKINDO
Online
Aug 13 – Sep 17, 20260GOnline$80
Artificial Intelligence
Blockchain
Data Science
Ongoing
NexHack 2.0
In Person
Aug 15 – Nov 25, 2026Geeta University, Naultha, PanipatPanipat, India$600
Blockchain
Artificial Intelligence
Cloud
Ongoing
Bittensor Global Subnet Hackathon
Online
Aug 21 – Oct 19, 2026BittensorOnline$10K
Artificial Intelligence
Blockchain
Ongoing
3rd-Web-Hack
Online
Aug 22 – Sep 27, 2026TechZap ClubOnline$751K
Blockchain
Artificial Intelligence
Ongoing
Geeks2Code
Online
Aug 23 – Sep 21, 2026GeeksForGeeks Campus Body MIETOnline
Artificial Intelligence
Edtech
Blockchain
Ongoing
Build Privacy-First Apps on Midnight
Online
Aug 26 – Sep 26, 2026MidnightOnline$4K
Blockchain
Data Science
Ongoing
Hack 2 Ignite
Online
Aug 26 – Oct 3, 2026GH Raisoini International Skill Tech UniversityOnline$2K
Artificial Intelligence
Blockchain
Ongoing
Multipli Hackathon – Build. Innovate. Compete.
In Person
Aug 28 – Sep 17, 2026Vellore Institute of Technology (VIT), VelloreVellore, India
Blockchain
Artificial Intelligence
Edtech
Ongoing
Prysm'26
In Person
Sep 1 – Oct 1, 2026Eshan Group Of Institutions, Uttar PradeshFarah, India$600
Artificial Intelligence
Cloud
Blockchain
Ongoing
VINHACK
In Person
Sep 1 – Sep 17, 2026Vellore Institute of Technology (VIT), VelloreVellore, India
AR/VR
Artificial Intelligence
Blockchain
Ongoing
Quant-A-Maze 3.0
In Person
Sep 6 – Oct 30, 2026Nitte Meenakshi Institute of Technology (NMIT), YelahankaBengaluru, India$1K
Artificial Intelligence
Edtech
Blockchain
Ongoing
MST Blockchain x Newrro 24-Hour Buildathon
In Person
Sep 7 – Sep 18, 2026BMS COLLEGE OF ENGINEERINGBengaluru, India$3K
Blockchain
Artificial Intelligence
IoT
Ongoing
Hack in Hills ’26
In Person
Sep 9 – Sep 30, 2026Galgotias University (GU), Greater NoidaManali, India
Blockchain
Game Development
Cloud
Ongoing
Arbitrum Open House Singapore: Online Buildathon
Online
Sep 13 – Oct 4, 2026Arbitrum FoundationOnline$115K
Web Development
Blockchain
Monday, September 14, 2026
Tuesday, September 15, 2026
Wednesday, September 16, 2026
Upcoming
Bir Hackathon Nasıl Kazanılır? Blockchain 101 ve Ürün Geliştirme
In Person
Sep 16, 202642 TürkiyeSarıyer, Turkey
Blockchain
Artificial Intelligence
AR/VR
Upcoming
Zero to Hero: From Idea to Hackathon // Bratislava
In Person
Sep 16, 2026Solana CZBratislava, Slovakia$10K
Blockchain
Artificial Intelligence
Thursday, September 17, 2026
Friday, September 18, 2026
Past hackathons
Recently ended — many run again.
Saturday, September 12, 2026
Past
XRPL Lending Protocol Hackathon
In Person
Sep 12 – Sep 13, 2026MaximeNanterre, France$5K
Blockchain
Artificial Intelligence
Fintech
Past
Metamorph 2.0
In Person
Sep 12 – Sep 13, 2026Panihati, India
Web Development
Blockchain
Social Impact
Past
HackIndia AI & Web3 Builders Hackathon 2026
In Person
Sep 12 – Sep 13, 2026HackIndiaGreater Noida, India
Artificial Intelligence
Blockchain
IoT
Friday, September 11, 2026
Past
IDEATHON | 1K IN PRIZES 💰 | Dogpatch Labs —hosted by Superteam IE
In Person
Sep 11, 2026Superteam IrelandDublin 1, Ireland$1K
Blockchain
Past
Hack CMU
In Person
Sep 11 – Sep 12, 2026Carnegie Mellon UniversityPittsburgh, United States
Artificial Intelligence
Cloud
Blockchain
Past
DeVert-A-Thon
In Person
Sep 11, 2026Department of CSE (AI & ML), MRCETTelangana, India$20K
Artificial Intelligence
Blockchain
Fintech
