Pretty sure this is just plebs that hardware wallets and punch plates are wastes of money when you can just back up wallet.dat to mdisc
https://cdn.nostrcheck.me/8fb676363a2c9f5d469a2e8bd970fa9a59087c...
M-DISC solves media longevity, not key exposure: wallet.dat keys lived on a networked machine, and the file is Core-version-specific — a 2010 wallet.dat needs matching software to even open. A BIP39 seed on metal is interoperable and was never on a computer.