When you write a comment on posts on this website, you're asked for a name, code, and the comment itself. The name and code are hashed and the value is stored with the comment. No user accounts are created, and your code is never stored (and it's not guessable from the hash 1).
Each comment on the site has an author section. The author section contains either 3 or 4 parts:
As long as you remember the code you used for a comment, you can edit or delete it at any point. I recommend using a password manager for this and anything else you need a password for.
No cookies are used for comments on this website.