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Online Web3 hackathons 2026 / 2027
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Online
9
Artificial Intelligence (AI)
13
Big Data
10
Crypto / Blockchain
7
Data / Database
10
Data Science
10
Fintech
5
Game dev
2
Hardware / IoT
1
IT
24
Large Language Model (LLM)
9
Machine Learning (ML)
11
Mobile
1
Open Source
1
Operating Systems / OS
1
Python
1
SQL
1
Tech
24
Telecom / 5G
1
Web3
9
Best Web3 hackathons in Online 2026 / 2027
Best conference
Dec 3-4
26
The Principal Dev – Masterclass for Tech Leads
Certification masterclass for experienced software engineers.
Best conference
Dec 10-11
26
Clean Architecture Masterclass
Certification masterclass for experienced Java developers.
ends in 2 days
Aug 4-31
26
WEEX AI Wars II：人类 vs AI
Web3
hackathon
Online
ends in 6 days
Aug 15 - Sep 4
26
Decentraland Friendzone Mobile Buildathon
Web3
hackathon
Online
ends in 8 days
Aug 13 - Sep 6
26
BUIDL CTC 2026 Fall - BUIDL For The Real World
Web3
hackathon
Online
ends in 11 days
Aug 25 - Sep 9
26
Event Contracts Hackathon
Web3
hackathon
Online
ends in 20 days
Sep 6-18
26
KeeperHub - The Agent Economy Hackathon
Web3
hackathon
Online
ends in 22 days
Aug 27 - Sep 20
26
Chain Jam Vol. 1
Web3
hackathon
Online
ends in 2 months
Jan 14 - Oct 31
26
MDBA Youth Blockchain Hackathon
Web3
hackathon
Online
ends in 2 months
Jan 27 - Oct 31
26
BLI Legal Tech Hackathon 2
Web3
hackathon
Online
ends in 4 months
Jun 4 - Jan 1
26
AlgoBharat Regional Hackathons
Web3
hackathon
Online
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