> ## Documentation Index
> Fetch the complete documentation index at: https://developers.stellar.org/llms.txt
> Use this file to discover all available pages before exploring further.

# 2024-12-19

> In this meeting SDF Core Software Engineer Jay talks about BLS building blocks, and walks through examples and demos.

*December 19, 2024* · [Carsten Jacobsen](https://github.com/carstenjacobsen), Senior Developer Advocate

[YouTube video player](https://www.youtube-nocookie.com/embed/51SitOUZySk?rel=0\&modestbranding=1)

In this meeting SDF Core Software Engineer Jay talks about BLS building blocks, and walks through examples and demos.