ShiShi21m on Nostr: This is the KeithMukai method of creating inexpensive backups. 5mil thermal ...

This is the KeithMukai (nprofile…ewq7) method of creating inexpensive backups.

5mil thermal lamination is the standard you should be after.

quoting
nevent1q…lm9l

If you're writing your seed down on paper or a card you need to buy archival grade markers.

These are considered the gold standard, they are inexpensive.

You also should laminate the card / paper after to consider it a viable backup for your seed.