This hackathons is only open to students. Double check the event page for more information as this may mean only those from a particular university/country are eligible.
Event Type
in person
79
Participants
$1,200
Prize Pool
7
Est. Projects
Organizers
Alex Johnson
alex@example.org
Jamie Rivera
jamie@example.org
Sam Chen
sam@example.org
Quality Score
Quality Score
72/100
High confidence
Organiser16/20
Event Maturity14/20
Sponsors18/25
Participants12/20
Stellar Build-A-Thon Kolkata
24-Hour IRL Hackathon
Join us for Stellar Build-A-Thon Kolkata, a 24-hour in-person hackathon designed to bring together blockchain enthusiasts, Web3 developers, and startup teams to build real-world applications on the Stellar blockchain.
Whether you’re new to Stellar or already experimenting with Soroban smart contracts, this hackathon offers the perfect mix of learning, hands-on building, mentorship, and community collaboration — all packed into an intense 24-hour builder experience.
📅 Date: 24 - 25 January 2026📍 Location: Offbeat CCU Kolkata, India⏱ Duration: 24 Hours (IRL)
🔥 What to Expect
🏆 $1,200 Prize Pool + SwagCompete for exciting cash prizes and exclusive Stellar ecosystem swag.
💡 Technical Workshops & DemosLearn about the Stellar blockchain, Soroban smart contracts, and how to build fast, scalable, and low-cost decentralized applications.
🧑💻 Hands-on MentorshipGet real-time guidance from Stellar ecosystem experts and Rise In mentors to refine ideas, solve technical challenges, and ship faster.
🌐 Network with BuildersConnect with developers, founders, designers, and Web3 enthusiasts from Kolkata’s growing blockchain community.
⚡ Build Real-World Use CasesFocus on practical applications like payments, DeFi, wallets, remittances, and on-chain utilities using Stellar.
🏢 The top 3 teams will get direct access to Stellar Builder Residency Himalaya
🌟 About Stellar
Stellar is an open, decentralized blockchain network built for fast, low-cost payments and real-world financial use cases. With Soroban smart contracts, Stellar enables developers to build powerful applications for payments, DeFi, tokenization, and financial inclusion.
🌱 About Rise In
Rise In is a global Web3 talent ecosystem empowering 400,000+ developers through bootcamps, hackathons, and mentorship. Rise In partners with leading blockchain ecosystems to help developers learn, build, and grow their Web3 careers.