Umm, no. This is not an advertisement and I'm kind of offended that you say so. First, that's not even my book. The book author asked if he could put my bitcoin

Umm, no. This is not an advertisement and I'm kind of offended that you say so. First, that's not even my book. The book author asked if he could put my bitcoin mining by hand process in his book; it's a small part of the book. Second, I wrote the post three years before the book. I know HN watches out for submarine advertisements, but really!