3 ms·

Another solution is to engrave your secret on something that’s stable up to household fire temperatures.

• 0cf8612b2e1e 9mo ago
  A 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.
  • echoangle 9mo ago
    Just make sure that the metal you use has a high enough melting point.
    • Wistar 9mo ago
      Tungsten, perhaps.
    • direwolf20 9mo ago
      Do people usually find big pools of metal on the ground in burned houses, or is everyday metal fine? Especially inside a fireproof safe. Wouldn't trust aluminium, solder, Wood's metal, gallium, or mercury, but apart from that...
    • wtetzner 9mo ago
      Maybe a clay tablet (assuming it's safe from water)?
  • rustyhancock 9mo ago
    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_ 9mo ago
    And so we return to our programming-roots with punchcards. :p
  • amenghra 9mo ago
    Articles such as https://blog.lopp.net/metal-bitcoin-seed-storage-stress-test/ https://blog.lopp.net/metal-bitcoin-seed-storage-stress-test... will help you pick among the various seed stores out there.