[tompt]

Also known as non-repudiation[1] and, as you point out, not something to be used without considering its consequences.

https://en.wikipedia.org/wiki/Non-repudiation

[blowski]

What consequences? Something like "if you push to a repo that gets taken down for DCMA requests, you can't deny in court that you made the commit"?

[mirekrusin]

You can't deny you authored commits even if somebody steals your private key?