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I don't have a wireless printer so I'm thinking about writing down the keys by hand on pieces of paper. Obviously I can't copy the QR codes that way. Are they necessary or do they just exist just for our convenience?
Are QR codes on paper wallets necessary
Answers
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It's just for convenience.
Make sure to d̶o̶u̶b̶l̶e̶ triple check and use a pen that's readable in ten years, too.
