I was going to speculate more about how GitHub could handle this, but it turns out they already have a system where you name a successor and they get control of

I was going to speculate more about how GitHub could handle this, but it turns out they already have a system where you name a successor and they get control of your public repos 7d after GitHub receives a death certificate or 21d after an obituary. But they don't include private repos: https://docs.github.com/en/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-access-to-your-personal-repositories/maintaining-ownership-continuity-of-your-personal-accounts-repositories https://docs.github.com/en/account-and-profile/setting-up-an...