rich1.0Sirius (npub1g5…3drvk)https://nostr.now/npub1g53mukxnjkcmr94fhryzkqutdz2ukq4ks0gvy5af25rgmwsl4ngq43drvknjumphttps://nostr.nowYou could deterministically generate the outer key from your private key and the recipient's public key, so it will be the same every time, even if your devices are not in sync.