It isn't the easiest article to read, plus they over complicate things by talking about things such as truncating SHA2 hashes.
I don't see why changing the hashing algorithm is so problematic, hence the reason why I asked the question. Converting a repository to SHA2 should be straight forward (the only issue is everyone's tooling), you could also run the repositories side-by-side. I'm genuinely interested as I think Git & Bittorrent are quite elegant solutions to complex problems.
Exactly! If you've ever worked in a corporate environment, you know the fun of having to support 10-year-old versions of your favorite cutting-edge software.
I don't see why changing the hashing algorithm is so problematic, hence the reason why I asked the question. Converting a repository to SHA2 should be straight forward (the only issue is everyone's tooling), you could also run the repositories side-by-side. I'm genuinely interested as I think Git & Bittorrent are quite elegant solutions to complex problems.