Carbon copies, my god.  

 Brings back memories of the old Gas Station Attendant "slips two in for the imprint" and trace the signature scam! 
 

 This will be analogous to ‘hardware wallet’ in 40 years. 

 Lived it 😅.  How many nostr plebs have used carbon paper for anything?

nostr:note1mwe7lhrap7x72y8lud9ptx8wkfxkwklxf9qdn8avhkmjwssdfqgqe4calm