i guess there will only be Zcash (which is based on zcoin and better) because i dont know of any Zcoin project.I just added my name to the list of people who would like to see XMR, Zcash, and Zcoin.COINBASE IS LOOKING INTO IMPLEMENTING OTHER COINS: https://www.reddit.com/r/btc/comments/5 ... an/d7pw2go
Please vote for XMR at the link above!
-Blazin8888