keyfork mnemonic from-entropy / to-seed [--hex]
This also relies on keyfork shard remote-combine
being implemented, which it has been.
Support for
nostr
key derivation
Can nostr accept hex-encoded keys? I know they can accept bech32. Maybe we should make a bech32 deriver as well, if hex-encoded doesn't work.
If it is hex-encoded, it would likely "just"…