Unless this is some secondary/terciary level sarcasm im at a loss 🙋

We already have private lightning zaps, which is a note with and encrypted sender and receiver, noone on the network can see who its from and who its to.

On onchain zap would just use the same tech. A node could send “unconfirmed” and “confirmed “ private zaps with the txid and output.

The main downside is that you dox your utxos when your keys leak, but maybe with this new private channel and ratcheting specs we can use ephemeral channel keys instead of your main one 🤔.

This is where private nostr tech is pretty important, so we should nail that first.