Talk
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Librefin: Building a FOSS UPI App

Approved

2 years ago, we announced the LibreFin project at IndiaFOSS to chart a way forward to a FOSS UPI app. This time, we have updates and a demo.

The talk will cover:

  1. A quick demo of a FOSS UPI Payment†

  2. Recent developments in UPI and how they relate to our work (UPI Lite, UPI Lite X, UPI Circle)

  3. Copyright Law and Reverse Engineering and legality of building an interoperable FOSS solution.

  4. Technical details about the reverse engineering work involved in building this.

  5. A community call for contributing to the project.

† - Our demo is still a work in progress, but should be ready by IndiaFOSS.

  • Why do we need a FOSS UPI app?

  • What does it take to build an interoperable FOSS app?

  • Copyright law and interoperability exemptions in India

  • A little about the technical architecture behind UPI.

Introducing a FOSS project or a new version of a popular project
Technology architecture

Nemo
Founder, 521ab 52 1ab
https://tatooine.club/@nemo
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Nikhil
Fulltime job searcher
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Approved. IndiaFOSS mock presentation -

https://fossunited.org/c/indiafoss/2025/cfp/c1ujjkgd9c

Reviewer #1
Approved