Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
View all with full filters →Hack Days in Bhopal
May 30, 2026 - May 31, 2026
Prize Pool
₹1.0K
BOSS Codefest
May 8, 2026 - May 11, 2026
Prize Pool
$200
VARLAB 2026 Game Jam
May 8, 2026 - May 10, 2026
Prize Pool
Non-cash Prize
CodeSprint with Gemini
May 23, 2026 - May 25, 2026
Prize Pool
Non-cash Prize
Hacknight Bengaluru: Build AI Agents
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
Global Tech Innovation 2026
Jun 10, 2026 - Jun 30, 2026
Prize Pool
Non-cash Prize
SB Creative Lab Jumpstart Designathon
May 7, 2026 - May 11, 2026
Prize Pool
Non-cash Prize
Quick with Gemini
May 15, 2026 - May 17, 2026
Prize Pool
Non-cash Prize
Hack Days Guwahati
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
NJx Hackathon Summer 2026
Jun 20, 2026 - Jun 21, 2026
Prize Pool
$2.0K
International AI Agents Hackathon
Jun 4, 2026 - Jun 5, 2026
Prize Pool
$100
BuildSmthHackathon
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
GreenHack By Grevoro
May 7, 2026 - May 28, 2026
Prize Pool
₹15.0K
InterHackBCN
May 8, 2026 - May 9, 2026
Prize Pool
€3.0K
AI for Campus: Build with MLH
Jun 5, 2026 - Jun 6, 2026
Prize Pool
Non-cash Prize
HACK THE DRONE
May 6, 2026 - May 29, 2026
Prize Pool
€50
Cursor Hackathon Vancouver
May 9, 2026 - May 10, 2026
Prize Pool
$2.2K
Build It Break It 2026
May 10, 2026 - May 11, 2026
Prize Pool
Non-cash Prize
Build With AI Hack Days @DIU
May 18, 2026 - May 19, 2026
Prize Pool
Non-cash Prize
Eazo.ai Hackathon. Win $300K in CASH.
May 23, 2026 - May 25, 2026
Prize Pool
$3.0M