Upcoming Global Hackathons

As 2025 draws to a close, innovation communities around the world are gearing up for a wave of AI, Web3, and quantum-focused hackathons. These events invite builders, developers, and creators to design tools that push the boundaries of decentralized technology, digital trust, and social good.

Below is a curated list of upcoming hackathons — whether you’re a coder, designer, or entrepreneur, there’s something to spark your next big idea.

Casper Hackathon 2026 – Qualification Round

📅 Dates: November 14, 2025 – January 4, 2026
🏢 Host: Casper Network
🌐 Registration: Register Now ›

The Casper Hackathon 2026 opens with a global qualification round focused on building scalable blockchain solutions. Participants will compete for funding and mentorship opportunities ahead of the grand finals in early 2026.

The Open Hack

📅 Dates: October 28 – November 23, 2025
🏢 Host: TON (The Open Network)
🌐 Submission: Submit BUIDL ›

A cross-chain builder’s event emphasizing open infrastructure. This hackathon welcomes projects improving blockchain usability, interoperability, and on-chain governance.

Tech for Good Hackathon

📅 Dates: October 31 – November 10, 2025
🏢 Focus: AI · Web3 · Quantum · Public Good
🌐 Submission: Submit BUIDL ›

This mission-driven hackathon blends technology and ethics, encouraging developers to create AI-powered solutions for social impact, sustainability, and accessibility.

Scaling Trust in the Age of AI – Global Hackathon

📅 Dates: November 3 – 21, 2025
🏢 Hosts: OriginTrail DKG · Polkadot · Base · MCP
🌐 Registration: Register Now ›

An international hackathon focused on decentralized trust systems in the AI era. Participants will experiment with blockchain-based identity, provenance, and data integrity frameworks.

Anitya 3D World Creators Hackathon

📅 Dates: November 13 – 26, 2025
🏢 Host: Solana
🌐 Registration: Register Now ›

A creative coding event exploring the intersection of 3D worlds, metaverse architecture, and Solana’s blockchain technology. Perfect for developers, 3D artists, and digital designers.

Calling For All Agents! Hackathon

📅 Dates: October 27 – November 28, 2025
🏢 Hosts: Google · Verisense
🌐 Submission: Submit BUIDL ›

An AI-focused hackathon encouraging the creation of autonomous agents and agentic systems that collaborate, learn, and execute real-world tasks. Sponsored by Google and Verisense, this event will feature prizes for innovation and usability.

These late-2025 hackathons highlight how AI, blockchain, and quantum technologies are converging to shape the future of decentralized innovation. Whether your passion is civic tech, digital identity, or creative AI, there’s never been a better time to build.