Ronin on Nostr: The encrypted requests go to many Nostr relays, you can run your mint in your own ...

The encrypted requests go to many Nostr relays, you can run your mint in your own home server and have a service just looking at requests in nostr for the mint, then you send the response also through Nostr. For your isp your mint is no different that you just posting or sending DMs on Nostr.