The payer doesn't have a mint interaction while paying, so as the payer, you're not talking to the mint for each transaction. You can use VPNs or Tor if you want to hide your IP. We're also integrating OHTTP into the Cashu protocol:

GitHub

feat: ohttp mint by thesimplekid · Pull Request #286 · cashubtc/nuts

Cashu protocol specifications https://cashubtc.github.io/nuts/ - feat: ohttp mint by thesimplekid · Pull Request #286 · cashubtc/nuts