Bret Funk's repositories
Learning-Bitcoin-from-the-Command-Line
The best way to learn to learn deeply about bitcoin is to avoid GUIs (even bitcoin-qt), and instead learn it from the command line.
Language:Ruby000
bitcoinbook
Mastering Bitcoin 2nd Edition - Programming the Open Blockchain
company-website
Code for originprotocol.com
ethereumbook
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
rails_challenge
Interview challenge for Oddball rails developer role