“Why Open Source Matters — Guix”
https://blog.bitmex.com/why-open-source-matters-guix/

I wasn’t seduced by the title but this article is a great explanation of how #FreeSoftware, @reproducible_builds, and #bootstrapping contribute to #SupplyChainSecurity for Bitcoin Core. This includes a discussion of why they went from #Gitian to #Guix.