Zerocoin/libzerocoin — pull request #15 by Gnos1s (2014-02-21 01:57:51+00:00)
Title: Bug fix? I think the generators g and h for the Q_RN commitment group should have different values

It looks like one of the authors duplicated code and failed to change all "g" to "h" in the duplicate.

Before this fix, g and h would always be set to the same value; I am a novice at crypto so I cannot tell if this could lead to de-anonymization, coin forgery, or both.