No metadata stored, we just receiving zap and generating an e-sim from provider. Sending via DM to zapper's public key. No other data stored or provided to any other party. It is always possible to use a new empty nostr account, if you are paranoid (and ofc should be) about the stored data and mapping nostr account to yourself irl.

esim

I'll be interested to see how you do that (and what metadata you leak as a result of doing it this way)