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Just print out like 3 papers, 1 in your Wallet, 1 home and 1 in your car!
Done

For the record, that does create 3 times the chance of it being stolen.

Use a basic cypher (every 3rd letter, etc)

Most people in public doesn't know WTF is that QR code if they get it in their hand anyway

Or you could make the paper wallet and sweep the private keys immediately into mycelium or other similar wallet. That creates a second digital copy.

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