I have my master key offline, and only subkeys in a hardware token (yubikey). I could maybe allow Proton (which I'd really like to use) to handle a copy of those subkeys, if not possible to use the token only, but I absolutely won't share the master key, ever.
I have my master key offline, and only subkeys in a hardware token (yubikey). I could maybe allow Proton (which I'd really like to use) to handle a copy of those subkeys, if not possible to use the token only, but I absolutely won't share the master key, ever.