Discover Blockchain Hackathons 2025

Explore cutting-edge blockchain hackathons where developers, entrepreneurs, and web3 pioneers build the future of decentralized technology.
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ONLINE Hack3rs Club W3binar 6: Intro to Solidity: Gas Optimization and Security

Sept. 8, 2022

Ended

In this web3 W3binar series, we'll be covering smart contract development, testing, and deployment. You'll even learn to build a Dapp to interact with the …

ONLINE Hack-a-Town

Sept. 1, 2022 - Sept. 3, 2022

Ended

About the challenge The Mozilla Firefox Club presents HACK-A-TOWN, a hackathon roller coaster ride to give you a chance to explore your strengths, networking skills …

IN-PERSON ETHWarsaw

Aug. 30, 2022 - Sept. 4, 2022

Ended

About the challenge We're excited to bring together developers, mentors & sponsors to buidl the future of Web3! ETHWarsaw 2022 Hackathon is a great opportunity …

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blockchain · Warsaw, Mazovia, Poland
ONLINE Hack3rs Club W3binar 5: Intro to Solidity & Smart Contracts

Aug. 23, 2022

Ended

In this web3 W3binar series, we'll be covering smart contract development, testing, and deployment. You'll even learn to build a Dapp to interact with the …

IN-PERSON DeveloperWeek Cloud 2022 Hackathon

Aug. 22, 2022 - Sept. 8, 2022

Ended

Developers, hackers, and other types! If you're planning to attend DeveloperWeek Cloud 2022 — or even if you're not — be sure to sign up …

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api · blockchain · industry · wearables · Austin, Minnesota, United States
IN-PERSON BlockChamps 2022

Aug. 13, 2022 - Aug. 24, 2022

Ended

Dates 10 August 11:59 p.m.: End of Registration 14 August 5.30 p.m.: Opening Ceremony + Reveal of Judging Criteria 14 August - 24 August: Hack …

IN-PERSON Innovation Hackathon: Cryptocurrency and Blockchain

July 20, 2022 - July 23, 2022

Ended

South African techies and entrepreneurs with a passion for blockchain, cryptocurrency, and other use-cases! The University of Johannesburg Technoprenuership Centre invites you to register to …

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blockchain · fintech · industry · Johannesburg, Gauteng, South Africa
IN-PERSON Web3 Sandbox Hackathon Powered by Morpheus Labs

July 20, 2022 - July 28, 2022

Ended

Web3 techies and blockchain developers in Singapore! Morpheus Labs invites you to participate in their Web3 Sandbox Hackathon. It's your opportunity to collaborate with like-minded …

IN-PERSON Broxus Elysium Hackathon 2022

July 14, 2022 - July 17, 2022

Ended

Blockchain techies — students and professionals — in Serbia and around the world! Broxus invites you to Belgrade to participate in the Broxus Elysium Hackathon …

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blockchain · fintech · industry · Belgrade, Central Serbia, Serbia
IN-PERSON FIL-TORONTO SUMMIT/Hackathon

July 4, 2022 - July 6, 2022

Ended

Web-3 techies and FileCoin enthusiasts in the Greater Toronto Area, across Canada, and around the world! FilSwan invites you to take part in a hackathon …

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blockchain · fintech · industry · Toronto, Ontario, Canada

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