HN saves a list of your upvoted comments which you can view via your profile. This is private. You can click on the timestamp and it will take you to a page fo

HN saves a list of your upvoted comments which you can view via your profile. This is private. You can click on the timestamp and it will take you to a page for the comment where you can click 'favourite' which will be public to anyone who visits your profile. Also, thank you!