[d3Xt3r]

You don't need karma to post, but you need a minimum of 31 karma to flag submissions, and 501 karma to downvote a comment. You can also change the color of the top bar (in your profile settings) after 251 karma.

[toomuchtodo]

31 also enables vouch if it hasn’t been explicitly inhibited on your account.

https://blog.ycombinator.com/two-hn-announcements/