if you have positive karma it will give you extra points but if you gain negative karma by doing wrong or post in wrong thread you can gain negative karma that reduce your points -1 karma reduce 1000 points.
A karma would indicate what you have contributed in the forum. When you post somehing that is helpful, then yu can get good karma, but if you violated the rules or posted something bad, you will be given a negative karma.
Yes, I know now, so if you want to get positive karma, we must be members who benefit everyone here, and if we give something bad for this forum, then we will receive negative karma, and negative karma will be difficult to participate in a bounty campaign.