Bitcoin Mining - Get 15 kh/s free for life once you sign up

As long as we use video cards for mining it is generally agreed to measure their capacity in kh/s. in fact, the productivity of video cards can be measured according to their cryptographic algorithm. For the capacity rating of video cards we use Scrypt algorithm. You can upgrade afterwards and Get passive income, or you can buyback hardware. ROI is 20 to 30% per month. Payback 3 to 6 months... 100% money back guarantee.