Bitcoin for Signal - Private Messaging Needs Private Money

Agreed

Monero is not “The king of anonymity” in generell
For people that don’t self host their own Monero node and therefore need to hand their view keys over to a third party node, which would be true for 99.99% of Signal users, the privacy of Monero is far behind the privacy of Cashu.

Zcash has too long confirmation times for day to day payments (like Monero and Bitcoin too)