Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
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Sep 11, 2026 - Sep 27, 2026
Prize Pool
$74.2K
COMPSPHERE 12
Aug 3, 2026 - Sep 22, 2026
Prize Pool
$1.2K
Hack2Heal 2.0 - Global Healthcare Innovation Hackathon
Aug 25, 2026 - Sep 30, 2026
Prize Pool
$100
Nebius x NVIDIA Global AI Hackathon
Aug 26, 2026 - Oct 30, 2026
Prize Pool
$50.0K
OpenCV AI Competition 2026, powered by AWS
Aug 26, 2026 - Oct 27, 2026
Prize Pool
$20.3K
UnivaBio ($40,000 in prizes)
Aug 7, 2026 - Oct 6, 2026
Prize Pool
Non-cash Prize
AWS Communication Developer Services (CDS) Agentic AI Partner Hackathon
Sep 14, 2026 - Oct 28, 2026
Prize Pool
$40.0K
MLAI Hackathon 2026
Sep 18, 2026 - Oct 16, 2026
Prize Pool
Non-cash Prize
Beginner's Paradise - FirstCommit
Aug 21, 2026 - Sep 30, 2026
Prize Pool
$1.0K
Status: EndedCasper Agentic Buildathon 2026 - Final Round
Jul 13, 2026 - Jul 26, 2026
Prize Pool
$150.0K
Hack day bhopal
Jul 14, 2026 - Jul 15, 2026
Prize Pool
Non-cash Prize
GatewayGS & The IEI Initiative: AI 4 Earth Hackathon
Jul 25, 2026 - Aug 15, 2026
Prize Pool
Non-cash Prize
Build with AI extended : Build, automate, impact
Jul 24, 2026 - Jul 25, 2026
Prize Pool
Non-cash Prize
RLC Hacks 2026
Jul 26, 2026 - Aug 4, 2026
Prize Pool
Non-cash Prize
cuHacking7
Jul 11, 2026 - Jul 12, 2026
Prize Pool
Non-cash Prize
Enterprise Agents Hackathon
Jul 10, 2026 - Jul 11, 2026
Prize Pool
$5.0K
AI for Social Good: Hack with MLH & DigitalOcean
Jul 10, 2026 - Jul 11, 2026
Prize Pool
$5.3K
Hackiwha3.0
Jul 10, 2026 - Jul 11, 2026
Prize Pool
Non-cash Prize
RescueHacks
Aug 22, 2026 - Aug 29, 2026
Prize Pool
Non-cash Prize
Canal Startup Sprint Hackathon
Jul 26, 2026 - Aug 14, 2026
Prize Pool
$800