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 →BagelHacks II
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$3.0K
Nira hackathon
Apr 4, 2026 - May 2, 2026
Prize Pool
$500
UTSC Hacks
Apr 4, 2026 - Apr 5, 2026
Prize Pool
$500
Catapult 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Hack the Drone - MATLAB Hackathon
May 28, 2026 - May 29, 2026
Prize Pool
Non-cash Prize
Bharat Bricks Hacks 2026: IISc Bengaluru
Apr 4, 2026 - Apr 5, 2026
Prize Pool
₹125.0K
Innovation Hacks 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
DiamondHacks 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
$24.8K
Build with AI 2026: Student Life, Supercharged
Apr 3, 2026 - Apr 4, 2026
Prize Pool
£500
Hack Hack Goose
Apr 3, 2026 - Apr 4, 2026
Prize Pool
Non-cash Prize
Scarlet Hacks
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Frostbyte Hackathon
Apr 3, 2026 - Apr 5, 2026
Prize Pool
$5.5K
LEVIATHAN Hackathon [AXI0M labs]
May 2, 2026 - May 3, 2026
Prize Pool
$300
Mega Agent-A-Thon
Jun 4, 2026 - Jun 14, 2026
Prize Pool
Non-cash Prize
Status: EndedLocus' Paygentic Hackathon - #4
May 2, 2026 - May 7, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #2
Apr 18, 2026 - Apr 23, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #3
Apr 25, 2026 - Apr 30, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #1
Apr 11, 2026 - Apr 16, 2026
Prize Pool
$1.0K
Status: EndedHACKOWASP 8.0
Apr 17, 2026 - Apr 19, 2026
Prize Pool
$430
Los Altos Hacks X
Apr 11, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize