Building The Cross-Chain Future: Flare, XRPL Commons And EasyA Hackathon At Harvard
In Brief
Flare, XRPL Commons, and EasyA are hosting a 36-hour hackathon at Harvard on September 20–21, 2025, bringing together 200 developers to build cross-chain DeFi, payments, and consumer apps with a $35,000 prize pool.
Flare is teaming up with EasyA and XRPL Commons to host a 36-hour hackathon at Harvard University on September 20 – 21, 2025. Bringing together 200 developers, the event is a strategic step in growing the XRPFi ecosystem, showcasing how Flare’s interoperability protocols and XRP Ledger (XRPL) technologies can power the next wave of DeFi, payments, and consumer apps.
Alongside a $35,000 prize pool, participants will gain hands-on cross-chain development experience, connect with mentors from the Flare and XRPL ecosystems, and join dedicated in-person workshops led by developers from both ecosystems.
Event details
🔗 Registration
🥇 Prizes
- Total prize pool: $35,000
- $10,000 dedicated track from XRPL Commons
🗓️ Dates
- September 20 – 21, 2025
⌚️ Tme
- Sat, 20 Sep 2025 09:30 – Sun, 21 Sep 2025 17:30 GMT-4
📍 Location
- Harvard University
Hackathon tracks
Participating devs will compete across three tracks:
1) Cross-Chain Finance & Real-World Assets (XRPFi)
Build the future of finance by combining XRPL’s asset issuance and liquidity with Flare’s decentralized data and proofs. Create tokenized assets, lending/borrowing platforms, yield products, and event-driven financial applications anchored in real-world data.
2) Composable dApps & Interoperable Infrastructure
Design next-gen dApps that seamlessly connect XRPL and Flare. Use Flare’s smart accounts, FAssets, and enshrined oracles together with XRPL’s payments and settlement layer to unlock programmable liquidity, cross-chain workflows, and new user experiences.
3) Vibe Coding: Consumer Apps
This track is about creativity and usability. Build lightweight apps that showcase Flare’s protocols (FAssets, FDC, or FTSO) in fun, accessible ways – from prediction games and evolving digital collectibles to community reward systems.
In-person workshops
On Saturday, September 20th, participants can join any of three technical workshops led by Flare engineers.
Workshop 1: Composability & Interoperability with Flare – Victor Muñoz
How to use Flare products (FTSO, FDC, FAssets) with XRPL to create composable solutions and bring Web2 data onchain.
Workshop 2: Programmable Liquidity with Flare + XRPL – Thomas Hussenet
Learn to build programmable on/off-ramps that connect fiat and blockchains using Flare + XRPL.
Workshop 3: Flare Smart Accounts & XRPL Controlled Accounts – Filip Koprivec
Discover how XRPL can control smart contracts on Flare and enable cross-chain account abstraction.
Why Flare + the XRPL Ledger
The Harvard hackathon highlights how the two ecosystems complement each other: The XRP Ledger brings a decade of reliable, high-speed settlement, deep liquidity, and inherent support for tokenization. Flare adds secure interoperability, decentralized oracles, and cross-chain data and proof.
Together, developers can unlock:
- Next-Gen DeFi → Event-triggered yields, auto-adjusting lending, structured finance.
- Cross-Chain Flows → Secure asset movement across the XRPL + Flare without bridges.
- Tokenized RWAs → Bonds, invoices, and notes with onchain verification.
- Consumer Apps → Wallets and cross-chain payments for everyday users.
This hackathon builds on Flare’s partnership with EasyA, the world’s largest Web3 education app. Through the #60DaysOfFlare campaign, EasyA is onboarding thousands of developers via in-app challenges that teach Flare’s oracles, FAssets, and staking, creating a pipeline of builders ready to launch real projects in the XRPFi ecosystem.
“We’re building strong, strategic relationships in the XRPL ecosystem – aligning events, education, and integration with product rollouts to connect Flare’s tech to XRPL developers and the XRPL network,” said Max Luck, Head of Growth at Flare. “This hackathon forges a direct loop between the XRPL and Flare infrastructure, bringing economic utility, staking yield, and developer adoption to the XRPL ecosystem.”
“The XRPL stands out for speed, liquidity, and its enterprise-grade infrastructure. Integrating Flare brings true composability, expanding our foundation into a full-fledged DeFi ecosystem,” said Odelia Torteman, Director of Corporate Adoption, XRPL Commons. “The combined strengths of XRPL’s liquidity-rich platform and Flare’s decentralized data unlock new DeFi possibilities.”
Register for the hackathon here: https://www.easya.io/events/easya-x-flare-harvard-hackathon
Disclaimer
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About The Author
Alisa, a dedicated journalist at the MPost, specializes in cryptocurrency, zero-knowledge proofs, investments, and the expansive realm of Web3. With a keen eye for emerging trends and technologies, she delivers comprehensive coverage to inform and engage readers in the ever-evolving landscape of digital finance.
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Alisa, a dedicated journalist at the MPost, specializes in cryptocurrency, zero-knowledge proofs, investments, and the expansive realm of Web3. With a keen eye for emerging trends and technologies, she delivers comprehensive coverage to inform and engage readers in the ever-evolving landscape of digital finance.
