alt Hacker NewsA real innovation from the Bitcoin world! There are several physical password store systems that they have suggested for this kind of use case. The simplest is basically using a nail to punch out a password onto a piece of sheet metal.
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rustyhancock • today at 12:03 AM
Additionally hardware wallets which can use a seed to generate huge variety of keys.
Including AGE keys (so you can encrypt arbitrary data), SSH keys, FIDO2 and passkeys.
Additionally you might want to store a hardware wallet in a deposit box instead of the seed (if you trust the security model).
Terr_ • today at 12:08 AM
And so we return to our programming-roots with punchcards. :p
echoangle • yesterday at 10:08 PM
Just make sure that the metal you use has a high enough melting point.
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Articles such as https://blog.lopp.net/metal-bitcoin-seed-storage-stress-test... will help you pick among the various seed stores out there.