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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Status: Ending SoonCasper 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
BearHacks 2027
Apr 23, 2027 - Apr 25, 2027
Prize Pool
$10.0K
DARK ARMY CTF 2026
Aug 8, 2026 - Aug 9, 2026
Prize Pool
₹5.0K
Dum, Duber and Dumber Hackathon
Jul 11, 2026 - Jul 12, 2026
Prize Pool
$400
Orchidhackx
Jul 10, 2026 - Jul 11, 2026
Prize Pool
$855
2026 CSESoc Flagship Hackathon
Jul 10, 2026 - Jul 11, 2026
Prize Pool
$1.3K
OpenAI Build Week
Jul 13, 2026 - Jul 21, 2026
Prize Pool
$100.0K
CSC Summer Impactathon
Jul 9, 2026 - Aug 10, 2026
Prize Pool
$80
Build with Gemma NYC: On-Device AI for Healthcare
Jul 24, 2026 - Jul 25, 2026
Prize Pool
$2.0K
Break the Barrier
Sep 1, 2026 - Nov 2, 2026
Prize Pool
$9.0K