Arrr or Pirate is Zcash, but with always on privacy BTW. I like it a lot, but it's relatively new. Also, the ZKSnark method that provides the privacy requires

Arrr or Pirate is Zcash, but with always on privacy BTW. I like it a lot, but it's relatively new. Also, the ZKSnark method that provides the privacy requires that the devs threw away their initial PKs. If you trust they did, then it's a great option.