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I know you can make a seed phrase backup with steel washers, is there something similar with seedqr?
https://vulcan21.com/
https://seedhammer.com/
Wow seedhammer looks good
I could swear I've seen a kit to etch QR codes into metal. I can't remember where though
You can etch stainless steel plates with salt water, two wires, and a battery.
https://vulcan21.com/
https://seedhammer.com/
Wow seedhammer looks good
I could swear I've seen a kit to etch QR codes into metal. I can't remember where though
You can etch stainless steel plates with salt water, two wires, and a battery.
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