rich1.0calle (npub12r…485vg)https://yabu.me/npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vgnjumphttps://yabu.meEcash payment request: - Receiver generates nostr keypair and shows QR code with npub and a set of relays (is there a standard or NIP for this?) - Sender sends ecash per nostr DM to npub and relays in the QR Nostr is becoming the native messaging layer of Cashu.