Your question is missing a lot of vital information, so nobody can really answer this for you. What credits are you talking about? What is this in relation to? Is it even Linux related?
Hey guys, I've just added a credit system on the site. We'll soon enable uses for the credits like raffles, contests, etc.. If you notice, you can see how many credits you have by looking under your name in any of your posts. How do you earn credits? Post new thread: 10 credits (plus 0.01...
Good catch!
I'd completely forgotten about the site credits that Rob introduced a while back. It didn't occur to me that the OP might be talking about those! :/