This book is insidiously useful. I went from not getting it at all to getting it more or less completely. Includes code interacting with the blockchain in a wide variety of ways.
No, I'm just fond of using that word to mean "extremely" despite that not being a common usage. I'm from the north east, so to me it registers the same as saying "wicked" to mean "extremely", like "wicked cool," which is a regional thing.
http://chimera.labs.oreilly.com/books/1234000001802