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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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UV
Status: Ended

DS6051 Decoding LLMs Hackathon

Jul 7, 2026 - Jul 8, 2026

Prize Pool

Non-cash Prize

ML
Status: Ended

Code API

Jun 27, 2026 - Jul 14, 2026

Prize Pool

Non-cash Prize

PR
Status: Ended

Prometheus July AI Challenge

Jul 17, 2026 - Jul 30, 2026

Prize Pool

$400

KI
Status: Ended

Rampamble

Jul 22, 2026 - Aug 20, 2026

Prize Pool

$50.0K

IN
Status: Ended

IncludAI - The Neurodiversity Hackathon

Aug 1, 2026 - Aug 9, 2026

Prize Pool

$3.0K

GI
Status: Ended

Dummy

Jul 7, 2026 - Jul 8, 2026

Prize Pool

₹20

IC
Status: Ended

The Great India Quiz Challenge 2026

Jun 26, 2026 - Jul 8, 2026

Prize Pool

₹322.5K

LU
Status: Ended

LUMA Hackathon (August 30th - September 7th)

Jun 26, 2026 - Sep 7, 2026

Prize Pool

Non-cash Prize

LU
Status: Ended

LUMA Hackathon (September 20th - 28th)

Jun 26, 2026 - Sep 28, 2026

Prize Pool

Non-cash Prize

LU
Status: Ended

LUMA Hackathon (October 11th - 18th)

Jun 26, 2026 - Oct 18, 2026

Prize Pool

Non-cash Prize

AS
Status: Ended

Kiro Buildfest 2026 Singapore

Jun 26, 2026 - Jul 4, 2026

Prize Pool

Non-cash Prize

ML
Status: Ended

Dev Connect

Jun 26, 2026 - Jul 13, 2026

Prize Pool

Non-cash Prize

MH
Status: Ended

Hack Days in Hosur

Jun 18, 2026 - Jul 2, 2026

Prize Pool

Non-cash Prize

CD
Status: Ended

Codex Community Meetup - Dhaka

Jun 25, 2026 - Jun 26, 2026

Prize Pool

Non-cash Prize

MJ
Status: Ended

Hack Day Jabalpur 2026

Jun 25, 2026 - Jun 26, 2026

Prize Pool

Non-cash Prize

HA
Status: Ended

HTCJ Aviation Futures Innovation Challenge

Jun 25, 2026 - Jul 21, 2026

Prize Pool

Non-cash Prize

SE
Status: Ended

STEMist Hacks IV

Jul 30, 2026 - Aug 2, 2026

Prize Pool

Non-cash Prize

DE
Status: Ended

Brain Blitz 2026

Jun 25, 2026 - Jul 8, 2026

Prize Pool

Non-cash Prize

FI
Status: Ended

Merrimack FidHacks 2026

Jun 25, 2026 - Jun 26, 2026

Prize Pool

$450

PD
Status: Ended

⚡ Build Fast. Launch Loud. ⚡

Jul 24, 2026 - Jul 25, 2026

Prize Pool

$1.0K