Zcash gets a mention!

Shawn:

Why would the privacy of a second layer solution like BOLT on top of Bitcoin be better than a base layer solution like Zcash with BOLT? The final settlement still has to happen on-chain which could still compromise privacy.

Exactly. Andreas Antonopoulos explains this well here.

Source : https://forum.z.cash/t/zcash-gets-a-mention/15768/372