Adsense help needed

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I am really working hard on my blgo. Working to get visitors and all the normal stuff that we all do. But I have heard that there is a system in Adsese which keeps track of false clicks. But we as bloggers don't know till the very end if we will get paid or not. Because Adsense doesn't suspent our account till we reach the $100 mark. So, I feel rather disappointed and fear by the fact. But yes I am not invloved in anything of this sort. But here I had read some discussions in which people said that they were not paid even for no fault of theirs. So, what should I do? Should I continue with the same? Please help me.