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 an

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).