I feel as though I'm not receiving my payment per round. I've been mining for roughly around 6 hours, and I've seen at least 4 separate rounds of shares (500,000) and my balance has yet to be updated. I feel as though the balance updates were quicker 2 weeks ago, and even though each "estimate" changes per round, my balance doesn't change even after 6 hours. Has anyone else noticed this is true for them as well?