The open source nature of ZCash allows innovation without the need for obtaining permission to innovate. Anyone is free to take the source code and try to advance the functionality as they see fit. One such offshoot is ZClassic. It closely follows and borrows its set of features from ZCash but contains one crucial difference: it has no founders reward, which is 20% in ZCash but some users find it objectionable.
— zooko (@zooko)
November 10, 2016