Zcoin is not Zcash OR a fork of Zcash, Zcoin is based off of Zerocoin whereas Zcash is based off of Zerocash. Zcoin has taken an asic-resistant thanks w/ their MTP mining algorithm, they are also an excellent option for cryptocurrency passive income through the use of their masternode system dubbed Znodes. Unfortunately, Zcoin recently experienced an attack/hack through a flaw in the Zerocoin privacy protocol, they have fixed the issue with a soft fork but being an immutable blockchain there was some damage done.
https://www.youtube.com/watch?v=g4gJjV_WSk0
all relevant links and timestamps are in the video description on YouTube