For sure, been thinking about shapeshift.io integration to support more than 30+ cryptocurrencies.

I dig the article on security, I see it is trending as well. Being in IT infrastructure for 20+ years, I've been focusing the last year or so more on security. Here's kind of where my head is at security-wise in general as far as best practices:
-NIST 800-171 controls
-CCSS Standards - https://cryptoconsortium.github.io/CCSS/Details/