Halloween ChaincKathon 2025

🎃 Halloween ChaincKathon: Night of the Living Locks

Stop the Boogeyman. Ship real cybersecurity fixes using blockchain.

Welcome to a 48-hour global hackathon where developers, students, and security builders unite to build real blockchain-powered defenses against real cyber threats.

This Halloween, we’re challenging you to think like a hacker—but build like a hero.

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🧩 What It’s About

The Halloween ChaincKathon is focused on secure-by-design innovation. You’ll develop tools that protect users, strengthen authentication, or detect and mitigate security risks using decentralized technologies.

Your mission:

• Reduce real-world security risks through creative, working solutions.
• Apply blockchain to improve trust, transparency, and verification.
• Ship a demo that could make the internet a little safer.

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🛠 Suggested Project Ideas

💡 Phishing or scam-prevention tools 🔐 Secure authentication systems 🧰 Incident response or threat-monitoring dashboards 📦 Supply-chain verification or smart-contract security tools

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🗓 Event Timeline

• Signup Deadline: October 22, 2025 (23:59 UK)
• Hackathon Weekend: October 25 – 27, 2025
• Winner Announcement: October 31, 2025 🎃 (Livestream @ 17:00 UK)

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🏆 Prizes

• Best Overall – $100 + 1 Year Chaincademy Access
• Most Impactful – $50 + 3 Months Chaincademy Access

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⚙️ How to Join

1. Register here on DoraHacks to reserve your spot.
2. Join our Discord to access mentor rooms, updates, and submission channels.
3. Submit your project via GitHub (include README, threat model, and ≤ 3-min demo video).

🔗 Official Event Page: thechaincademy.com/hackathons/halloween-chainckathon-2025

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🕸️ Rules & Guidelines

• Team Size: 1 – 4 members
• Original work only (you may use open-source libraries with credit)
• Code must be public on GitHub at submission
• Include: README + Threat Model + Setup Steps + Demo Video (≤ 3 min)
• Safe, sandboxed demos only — no malware or live exploits

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🧠 Why Join?

Because cybersecurity needs creativity. Because blockchain can do more than tokens. And because the Boogeyman doesn’t rest — but neither do we.