Provides a secure method for monitoring the balance of a cold wallet without compromising its security.

A Ledger application that provides some useful seed management utilities

A Ledger application that provides some useful seed management utilities

Ansible role for security hardening. Mirror of code maintained at opendev.org.

Tiny Bitcoin Library written in C

Noise resilient DCF77 decoder library for Arduino

Mastering Bitcoin 3rd Edition - Programming the Open Blockchain

A bitcoin library in C, SPV wallet & more.

📚 Freely available programming books

Extended OpenWrt repository. Note: Latest dnscrypt-proxy merged to upstream (Designated Driver).

Script to mount Microsoft OneDrive (formerly known as SkyDrive) folder as a FUSE filesystem

Bitcoin Core integration/staging tree

display Mt.Gox live market data (in the console) and experiment with trading bots

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.