It is no problem if you participate in HN as a real person.
That is, if you post comments and submit articles from a variety of sites that get some upvotes and slip in a few links from a site of your own that is great.
If you sign up for a new account and start spamming links from your blog that will get you in trouble.
That is, if you post comments and submit articles from a variety of sites that get some upvotes and slip in a few links from a site of your own that is great.
If you sign up for a new account and start spamming links from your blog that will get you in trouble.