# Why I am not allowed to answer protected questions?

I'm a new user of MathOverflow. In the privileges section, it says that I can now answer protected question.

But in reality, when I visited this protected question, it says: I'm not counting the association bonus, as I have already given all my association bonus points as bounty to a question. Is this a bug?

It seems that the bounty you offered adds $$-100$$ to what counts as "reputation earned on this site" for the purpose of answering protected questions. At least, that is my understanding based on the explanation given here: