Build On Celo Hackathon – Kolkata Edition 🇮🇳Powered by Rise In 🚀
A 24-Hour IRL Hackathon for builders on Celo Blockchain
Build On Celo (Kolkata Edition) is a 2-day, in-person hackathon crafted to onboard India’s brightest builders into the Celo ecosystem — driving innovation in DeFi, ReFi (Regenerative Finance), Payments, and Real-World Impact Solutions using the power of Celo’s EVM-compatible blockchain.
Kolkata, known as India’s cultural and innovation hub, sets the perfect stage for a new generation of blockchain builders. Developers, designers, and founders will come together to reimagine how Web3 can empower financial inclusion, climate action, and global accessibility through the Celo blockchain.
📅 Event Details📍 Location: Offbeat CCU🗓️ Date: 25–26 October 2025⏰ Duration: 24 Hours IRL🎁 Perks: Swag, Free Food, Mentorship, Networking
💰 Total Prize Pool: $1,000🥇 1st Place – $500🥈 2nd Place – $300🥉 3rd Place – $200
🔥 Why Join?💻 Hack, Build & Learn — Build impactful products with guidance from Celo experts and mentors.🌱 ReFi & Real-World Impact — Work on sustainability, inclusion, and financial access using blockchain.🎤 Demo Day + Global Access — Showcase your project and get a chance to connect with Celo’s global ecosystem.🧠 Workshops & Masterclasses — Deep dive into Celo SDKs, smart contracts, and real-world use cases.🌐 Network with India’s Builder Community — Collaborate with top developers, founders, and changemakers redefining decentralized innovation.
💡 Who Can Apply?👩💻 Web3 Developers & Builders innovating in DeFi, ReFi, Payments, DAOs, or Infra.🚀 Startup Founders & Early Teams exploring Celo for scalable, real-world use cases.🎨 Designers & Product Thinkers crafting user-first blockchain experiences.🌍 Ecosystem Contributors building tools, dApps, or integrations that advance the Celo mission.You can start learning and building on Celohttps://docs.celo.org/build-on-celo/quickstartVideo: https://www.youtube.com/watch?v=QOCO1G8cJyI&t=400s (Vibe coding)
🚀 Powered by Rise InRise In is nurturing the next generation of Web3 builders with 200,000+ developers across India and Turkey. Through hackathons, bootcamps, and residencies, Rise In empowers developers to leap into Web3 and create the future of decentralized innovation.
🌐 About CeloCelo is a carbon-negative, EVM-compatible blockchain designed to make financial tools accessible to anyone with a mobile phone. Built for real-world adoption and climate-positive innovation, Celo enables developers to create scalable dApps that drive inclusion, impact, and sustainability.
✨ Kolkata isn’t just another stop — it’s a movement.Build on Celo. Build for good. Be part of the next wave of Web3 innovation.
For more info, you can connect with sahitya@risein.com
Judge Accessibility
Organizer email available25/25
Student-run event15/15
Actively looking for judges25/25
Small event (120 participants)10/10
No corporate sponsors10/10
New or emerging organizer10/10
Public registration available5/5
Online format (judge from anywhere)10/10
Top signals
Organizer email available
Student-run event
Actively looking for judges
Organizers
Alex Johnson
alex@example.org
Jamie Rivera
jamie@example.org
Sam Chen
sam@example.org
Estimated Audience
Mostly Students
ExperienceStudent
OccupationStudents
Beginner Friendly
Women in Tech
Technical Focus
AI95%
Web80%
Mobile25%
Industries
Healthcare
Education
Climate
Technologies
Python
React
OpenAI
Why this estimate
• Hosted by a university
• Open to students
• MLH member event
Estimate inferred from event metadata, not actual attendee data.