This is an excellent point. While researching this article, I was surprised to see that Bitbucket documentation uses RSA by default (April 2021). I'll likely change my first step to recommend ed25519 when I have a chance to do some edits.
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I'd recommend using
ed25519 is much better than RSA - more secure, shorter keys.
E.g. see medium.com/risan/upgrade-your-ssh-...
This is an excellent point. While researching this article, I was surprised to see that Bitbucket documentation uses RSA by default (April 2021). I'll likely change my first step to recommend ed25519 when I have a chance to do some edits.