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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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MultiversXStatus: Ended

AI MegaWave Hackathon

Feb 12, 2025 - Mar 10, 2025

Prize Pool

$150.0K

Blockchain Legal InstituteStatus: Ended

LegalHack 2025 - Powered by Constellation, ICP, Story, & The Blockchain Legal Institute

Jun 16, 2025 - Nov 6, 2025

Prize Pool

$32.0K

VyperStatus: Ended

Vyper/Polygon AI Agent Workshop

Feb 10, 2025 - Mar 9, 2025

Prize Pool

$1.0K

Cross Finance AfricaStatus: Ended

CrossFi Hack Africa

Feb 7, 2025 - Feb 25, 2025

Prize Pool

$3.0K

VennStatus: Ended

Venn Network: Wallet Security Hackathon

Mar 18, 2025 - Apr 9, 2025

Prize Pool

$6.0K

cheqdStatus: Ended

Verifiable AI, save the world with cheqd

Feb 19, 2025 - May 16, 2025

Prize Pool

$50.0K

StacksStatus: Ended

BUIDL BATTLE | The Bitcoin Builders Tournament

Mar 3, 2025 - Mar 17, 2025

Prize Pool

$90.0K

DeSciWorldStatus: Ended

NERD Network: ETHDenver

Feb 23, 2025 - Mar 2, 2025

Prize Pool

Non-cash Prize

AIxBlockStatus: Ended

AI-Agents Hackathon

Feb 18, 2025 - Mar 1, 2025

Prize Pool

$3.0K

LUKSOStatus: Ended

Hack The Grid — Level 2

Feb 25, 2025 - Mar 13, 2025

Prize Pool

LYX42.0K

EspressoStatus: Ended

Build & Brew - Espresso Global Hackathon

Feb 20, 2025 - Apr 2, 2025

Prize Pool

$100.0K

CambrianStatus: Ended

Cambrian Hack

Feb 20, 2025 - Mar 23, 2025

Prize Pool

$10.0K

SeedifyStatus: Ended

Seeds Of Agentic Future

Feb 21, 2025 - Mar 10, 2025

Prize Pool

$100.0K

SparsityStatus: Ended

Agent Singularity: Talks & Hackathon

Mar 1, 2025 - Mar 2, 2025

Prize Pool

$1.0K

Oxford Blockchain SocietyStatus: Ended

Oxford Blockchain Society Cardano Hybrid Hackathon - February 2025

Feb 22, 2025 - Feb 22, 2025

Prize Pool

$4.0K

NERDCONFStatus: Ended

NERD CAMP by Polkadot

Jun 8, 2025 - Jun 8, 2025

Prize Pool

$7.0K

ICP HUB UkraineStatus: Ended

Let's Try ICP

Mar 15, 2025 - Mar 30, 2025

Prize Pool

$5.0K

RootstockStatus: Ended

AI BUIDL Lab: Use Prompt Engineering to Build Real Web3 Apps on Rootstock

Apr 10, 2025 - Apr 30, 2025

Prize Pool

$15.0K

NPC GroupStatus: Ended

Meant to Move Hackathon

Mar 5, 2025 - Mar 12, 2025

Prize Pool

$2.0K

EndgameStatus: Ended

Endgame hackathon - AI cutting edge projects

Mar 10, 2025 - Apr 24, 2025

Prize Pool

$120.0K

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