unobtanium-official/Unobtanium — pull request #8 by cryptapus (2014-10-09 18:13:12+00:00)
Title: Added BIP32 key definitions, no implementation

Defined EXT_PUBLIC_KEY and EXT_SECRET_KEY used to serialize public BIP32 addresses. No implementation, just the definition as some downstream applications need guidance. Used bitcoin values as I don't see a clear reason not to.