Max00355/BlooCoin — pull request #1 by SoulByte (2013-04-21 18:08:03+00:00)
Title: Optimized.

hashlib is replaced with _sha512.
"0"*difficulty is only calculated once now.
start_string converted to ASCII.
No longer using 'test' variable to hold hash.
hash.startswith(null) replaced with hash[0:difficulty] == null.
When possible, digest() is used instead of hexdigest().