Discover Blockchain Hackathons 2025

Explore cutting-edge blockchain hackathons where developers, entrepreneurs, and web3 pioneers build the future of decentralized technology.
Explore Blockchain hackathons online and in-person
IN-PERSON Bitcoin++ Sovereignty Edition

Dec. 16, 2025

Upcoming

Welcome to the Bitcoin++ Sovereignty Edition Hackathon! This is the hackathon site for the bitcoin++ sovereignty edition hackathon in Taipei, Taiwan.The main hackathon competition will …

IN-PERSON ✰ LIVE AI Best Coast 2025

Nov. 7, 2025 - Nov. 9, 2025

Upcoming

About LIVE AI ✰ LIVE AI is the premier accelerator-backed, hackathon-driven talent identification program. Welcome to LIVE AI Best Coast 2025, the multi-campus fully-hybrid hackathon …

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blockchain · fintech · machine learning · Los Angeles, California, United States
ONLINE Super Hackathon

Oct. 13, 2025 - Oct. 31, 2025

Open

Launch dApps on opBNB with the power of Super Protocol Total Prize Pool: $20,000 USDT Competition Period: October 13-31, 2025 The Super Hackathon challenges teams …

ONLINE Build Resilient Apps with Polkadot Cloud

Oct. 5, 2025 - Nov. 17, 2025

Open

Bring Web2 Applications to Web3 One of Web3's key promises is to deliver a decentralized and fair internet where users control their own data, identity, …

IN-PERSON Lightning++ 2025

Oct. 3, 2025

Date TBD

Welcome to the Lightning++ 2025 Hackathon! This is the hackathon site for the lightning++ hackathon in Berlin, Germany.The main hackathon competition will be open ended …

IN-PERSON Cosmos Labs Offsite 2025

Oct. 1, 2025 - Oct. 2, 2025

Ended

About the Challenge The Cosmos Labs Offsite 2025 Hackathon is an internal event focused on advancing AI tooling and exploring innovative solutions. It empowers participants …

ONLINE Dakar Bitcoin Hack

Sept. 22, 2025 - Oct. 24, 2025

Ended

About the challenge The hackathon will be a public non-profit event gathering more than 100 participants to develop business and technical innovative solutions using Bitcoin …

IN-PERSON Hack The Nest V3

Sept. 20, 2025 - Sept. 21, 2025

Ended

Schedule, FAQ, etc. at www.hackthenest.org Communications/ In-person updates @ https://discord.com/invite/JU9TY5BFU3

ONLINE Starknet Re{Solve} Hackathon

Sept. 15, 2025 - Oct. 16, 2025

Ended

The next wave of crypto will need to be able to scale to millions and remain secure. Think about global payment systems with sub-cent fees, …

IN-PERSON Future of Data Hackathon 2025

Sept. 10, 2025

Date TBD

The Future of Data Hackathon is an integral part of the MidwestCon Conference, scheduled to take place on September 10th, 2025. The Future of Data …

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blockchain · machine learning · social · Cincinnati, Ohio, United States

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