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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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DE
Status: Upcoming

DeveloperWeek 2027 Hackathon

Jan 25, 2027 - Feb 11, 2027

Prize Pool

Non-cash Prize

AL
Status: Ended

CloudHacks 2026

Aug 23, 2026 - Aug 24, 2026

Prize Pool

$100

HN
Status: Upcoming

H.A.R.D. Hack 2027

Jan 30, 2027 - Jan 31, 2027

Prize Pool

$300

WA
Status: Upcoming

GoatHacks 2027

Jan 22, 2027 - Jan 24, 2027

Prize Pool

Non-cash Prize

GC
Status: Ended

Case Closed

Jul 25, 2026 - Jul 26, 2026

Prize Pool

$2.0K

IH
Status: Ended

Iris Hacks IV

Aug 8, 2026 - Aug 9, 2026

Prize Pool

Non-cash Prize

MU
Status: Ended

Cyber Hawk Hack Days

Sep 25, 2026 - Sep 26, 2026

Prize Pool

Non-cash Prize

GC
Status: Ended

Global Builders Hackathon: Code for Impact

Aug 8, 2026 - Aug 10, 2026

Prize Pool

Non-cash Prize

MC
Status: Ended

Hack Days CUET

Jun 26, 2026 - Jun 27, 2026

Prize Pool

Non-cash Prize

CG
Status: Ended

MelonJam 7

Jul 17, 2026 - Jul 20, 2026

Prize Pool

Non-cash Prize

HA
Status: Ended

HackPSU Fall 2026

Oct 24, 2026 - Oct 25, 2026

Prize Pool

$1.5K

HE
Status: Ended

HackGT13

Sep 25, 2026 - Sep 27, 2026

Prize Pool

$333

EA
Status: Ended

Global AI Filmmaking Hackathon (EAST2046 × TapNow × Bionic Awards)

Jul 3, 2026 - Jul 10, 2026

Prize Pool

£1.0K

PC
Status: Ended

PeddieHacks 2026

Aug 14, 2026 - Aug 16, 2026

Prize Pool

Non-cash Prize

ZL
Status: Ended

$1,000 Industrial AI Hackathon

Jun 26, 2026 - Jun 27, 2026

Prize Pool

$1.0K

DE
Status: Ended

Global Innovation Build Challenge V2

Jul 11, 2026 - Sep 21, 2026

Prize Pool

Non-cash Prize

BI
Status: Ended

BioHacks

Sep 26, 2026 - Sep 27, 2026

Prize Pool

Non-cash Prize

IW
Status: Upcoming

HackTitan

Feb 2, 2027 - Feb 4, 2027

Prize Pool

$10.0K

MH
Status: Ended

Dev Clash

Jun 24, 2026 - Jun 25, 2026

Prize Pool

Non-cash Prize

NO
Status: Ended

The Vakathon

Jul 10, 2026 - Jul 11, 2026

Prize Pool

$5.0K