Small business and micro-merchants across the U.S. are looking for a solution that helps them securely accept payment without compromising on security and burning a hole in their pockets. An answer to their call seems to be brewing up in the industry with PIN on Mobile technology. In my first blog post in this series, I discussed the basics of what a PIN on Mobile solution is all about and how does it work. In the second post, I explored which vertical benefits the most from this technology and how. For my third blog post in the series, I am taking a technical route and am looking to talk about the different components of a PIN on Mobile solutions. This is again a common question that I get when I talk about this subject.