Bitcoin authentication for django, based on gribble.
In settings.py...
Add bcauth to your INSTALLED_APPS
Add bcauth.backends.BitcoinBackend to your AUTHENTICATION_BACKENDS
set BCAUTH_CHALLENGE to something sensible, like this.
BCAUTH_CHALLENGE = 'This message is being signed solely to authenticate to myWebsite on $timestamp. It is not to be used for any other purposes. It is void for any purpose after $expires. $otp'
set BCAUTH_SESSION_EXPIRE to the number of seconds to expire a login request in, 600 is recommended.
BCAUTH_SESSION_EXPIRE = 600