Suppose you wanted to store cryptographic keys in such a way that they would be resistant to fire, water, mold, UV, insects, vermin, etc.
One way to do it would be to emboss the keys onto metal cards using an embossing machine like this:
https://www.amazon.com/Manual-Embossing-Machine-Stamping-Embosser/dp/B01MUVKUGX/
Aluminum business card blanks:
https://www.amazon.com/Anodized-Aluminum-Business-Card-Blanks/dp/B0743LNSLJ/
Anyone know of a better way to do this?
One way to do it would be to emboss the keys onto metal cards using an embossing machine like this:
https://www.amazon.com/Manual-Embossing-Machine-Stamping-Embosser/dp/B01MUVKUGX/
Aluminum business card blanks:
https://www.amazon.com/Anodized-Aluminum-Business-Card-Blanks/dp/B0743LNSLJ/
Anyone know of a better way to do this?