Building on the XRP Ledger

For the first time, XRPL Commons is hosting an intensive training at 42 Paris in collaboration with the 42Blockchain student association.

Over the course of 2 days, dive into the XRP Ledger, one of the world’s leading blockchains, designed for real-world applications and known for its low carbon footprint and efficiency.

​New to the Blockchain? Blockchain expert? Student or not, everyone is welcome!

🎯 Why join?

• Hands-on practice: code, test, and deploy your own applications.
• Learn from experts: benefit from the experience of recognized trainers.

By the end of this training, you will be able to:

• Master the fundamentals of blockchain
• Gain an in-depth understanding of how the XRP Ledger works
• Build concrete applications and solutions on top of this technology

🗓 Detailed Agenda

Day 1 – Monday, September 29, 2025

• 09:30 – 10:00 AM: Welcome, coffee & croissants
• 10:00 – 10:15 AM: XRPL Commons Introduction
• 10:15 – 10:40 AM: Introduction to Blockchain & the XRP Ledger
• 10:40 – 11:00 AM: Break
• 11:00 – 01:00 PM: Coding Session I – Accounts & Payments
• 01:00 – 02:00 PM: Lunch
• 02:00 – 03:00 PM: Coding Session II – Token creation & use case
• 03:00 – 03:15 PM: Break
• 03:15 – 05:00 PM: Coding Session III – Building Automated Market Makers (AMMs)
• 05:00 – 05:30 PM: Q&A Session
• 06:00 PM: End of Day

Day 2 – Tuesday, September 30, 2025

• 10:30 – 11:00 AM: Presentation of the XRPL EVM Sidechain (design, consensus, technical stack)
• 11:00 – 01:00 PM: Coding Session IV – Setting up an EVM project & first smart contract
• 01:00 – 02:00 PM: Lunch
• 02:00 – 02:20 PM: Axelar Demo – Cross-chain transfers of XRP & IOUs
• 02:20 – 03:30 PM: Coding Session V – Interoperability & smart contracts
• 03:30 – 03:40 PM: Break
• 03:40 – 04:00 PM: Keynote – Building cross-chain applications with XRPL and sidechains
• 04:00 – 05:00 PM: Coding Session VI – Hands-on workshop
• 05:00 PM: Closing Cocktail & Networking 🍸

We can’t wait to meet you and start coding together!