
NVIDIA & GPU Mode
Blackwell NVFP4 Kernel Hackathon
Join the Developer Kernel Hackathon, a four-part performance challenge hosted by NVIDIA in collaboration with GPU MODE.
Find and join hackathons from around the world. Build projects, meet developers, and win prizes.
37 hackathons available

NVIDIA & GPU Mode
Join the Developer Kernel Hackathon, a four-part performance challenge hosted by NVIDIA in collaboration with GPU MODE.

Feuji Innovation Hackathon 2026 is here, and we're inviting startups, developers, AI/ML engineers, students, and innovators to build the next generation of Autonomous Quality Assurance tools.

Compete in AI trading and win from an $880,000 prize pool—and the champion drives home a Bentley Bentayga S
Hex
Build the analysis you wish existed. Join Hex's virtual hackathon to analyze, build, and explore data with AI - all in one place.
Join PL Genesis: Frontiers of Collaboration, the flagship hackathon from Protocol Labs
Celo
A high-energy buildathon for founders, hackers, and designers across Latin America. Ship something real in days and launch faster.
Google DeepMind
Google DeepMind is thrilled to invite you to the Gemini 3 global hackathon. We are pushing the boundaries of what AI can do by enhancing reasoning capabilities, unlocking multimodal experiences and reducing latency. Now, we want to see what you can create with our most capable and intelligent model family to date.

Bittensor
This ideathon is built for teams who go beyond proposals and ship real systems. Participants are invited to design, deploy, and validate subnets on testnet, with incentives spanning overall subnet excellence, execution quality, and mechanism-level innovation.

Build the next generation of on-chain games and gamified experiences on Solana.
AI for All – India’s Open Data & AI-Readiness Challenge AI for All is a nationwide online hackathon by Factly in collaboration with Meta, aimed at identifying innovative, open-source solutions that make India’s datasets and digital resources ready for responsible AI use—bridging data, tools, and inclusion. The hackathon invites students, AI startups, researchers, and civic-tech innovators to build solutions across data readiness, Indic language enablement, public data extraction, and AI for soci

AMD
Slingshot is a premier national startup idea challenge, encouraging students to develop AI-powered solutions for real-world challenges. Through mentorship and workshops, AMD helps students bring their ideas to life, empowering the next generation to shape the future of AI.

Solana
Build the future of privacy on Solana. Compete for prizes while creating privacy-preserving applications and tools.
Scroll
Building the future on Scroll's ZKP Ecosystem

Reddit is hosting a virtual hackathon from January 15th to February 12th. We’re offering developers $40,000 in prizes for games built to delight users with daily play.
Pump.fun
This hackathon is designed for founders at any stage of their journey. Whether you have a fully-formed idea, a loose direction, a working product, or nothing more than a strong intuition, there is a place for you here.

The first competition of its kind in crypto, attracting upcoming talent to build in Avalanche’s growing ecosystem.

iExec and 50Partners are joining forces to launch Hack4Privacy, a hackathon dedicated to building the next generation of Confidential DeFi & RWA applications using iExec’s privacy technology.

Solana Mobile & Radiants invite you to construct the next Monolith.
Arbitrum Open House NYC 🗽
A 3-week Buildathon for devs to: ⚙️ Build with the same stack trusted by BlackRock and Robinhood 🏆 Win $30K prize pool + follow-on grants 🏠 Earn Founder House access

ETHGlobal
Designed for hackers around the world to build DeFi applications.

Starknet
Bitcoin and Privacy Hackathon is a hackathon focused on two core narratives: Privacy and Bitcoin on Starknet. We're building tools and applications that combine privacy-preserving technology with Bitcoin integration. From encrypted compute to atomic swaps, from zero-knowledge proofs to trust-minimized bridges, we want to see what builders create when they focus on what matters.

DeveloperWeek
Nation's largest challenge-driven hackathon

ETHGlobal
ETHGlobal's flagship developer event
ETHPrague
Central Europe's largest Ethereum event
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Join builders, researchers and founders for a 3-day hackathon at the University of Oxford. Learn, collaborate and launch ideas shaping the future of blockchain, AI and technology.

Dhiraagu + Sparkhub + Synetecs
GenAI Hack is a three-day (48-hour) Generative AI hackathon designed to accelerate the development of market-ready, AI-powered products through intensive learning, rapid prototyping, and live deployment.

Taisu Ventures
Keio ChainHack 2026 - Building the Future of Tokenomics A high-impact pitch competition bringing together global students, early founders, and Web3 visionaries. Your ideas take center stage, with direct exposure to VCs, industry experts, and decision makers shaping the future of the space.
We are excited to invite you and your visionary team to be part of NOOB HACKFEST – a 24-Hour Global Multidisciplinary Hackathon designed to spark breakthrough ideas and solve real-world challenges through innovation.

The EasyA Consensus Hackathon is where the world’s best developers in blockchain and AI gather to build the tech unicorns of tomorrow.
Anthropic, Replit, Lightspeed
Anthropic, Replit, and Lightspeed are excited to bring you Build India, a builder-first sprint focused on creating AI-native products for India.

OpenGuild x Web3 Foundation (W3F) x Polkadot
A 6-week online hackathon designed to discover and accelerate the most promising Web3 builders on Polkadot Hub.

ETHDenver is the world’s largest and longest running blockchain-powered #BUIDLathon (fka hackathon). Every year, more than 25,000+ innovators from over 125 countries converge to create a week-long festival of innovation.
Build for 42 hours, learn from a panel of mentors, and win $50,000 in bounties — all with the BEST community.
Arbitrum Open House Dubai
The next chapter of Arbitrum’s global builder journey arrives in Dubai. Join a vibrant community of developers, founders, and innovators building the future of on-chain applications. Register now to take part in the Open House Dubai Buildathon — learn, build, and showcase your project for a chance to join the global stage.

The EasyA Consensus Hackathon is where emerging developers in Web3, AI, and blockchain gather to build groundbreaking solutions.
ETHGlobal

ETHGlobal hackathons enable you to experiment with cutting edge web3 technologies and develop an idea you're passionate about. This is your opportunity to learn about crypto, expand your network, meet industry professionals, and find like-minded people who are collectively creating a new kind of web.