Absolutely. You can make your profile private by navigating to Settings → Privacy & Security and enabling the Private Profile option.
When your profile is set to private, only approved followers will be able to view your profile, library activity, status updates, lists, and other content you share on Blackauthored.
Please note: Reviews remain public and will continue to be visible to all users, even when your profile is set to private.
You can update this setting at any time from the same page.