Jesus is a Ruby developer who likes to help other developers improve their Ruby skills & fill-in the gaps in their education. Check out his blog here.
Jesus's article
![Exploring Cryptography Fundamentals in Ruby](https://uploads.sitepoint.com/wp-content/uploads/2016/06/1469266140photo-1459292113141-4cacea7878b1-300x169.jpg)
Exploring Cryptography Fundamentals in Ruby
Jesus Castello walks through the basics of cryptography using examples in Ruby. This is an excellent primer on crypto.