hodlbod on Nostr: I also have that: ...

I also have that: https://github.com/coracle-social/welshman/blob/master/packages/signer/src/signers/nip01.ts

I do have to be able to access it in order to persist to storage and to allow users to export their private key. How do you suggest I do that? Just have a `getPrivateKey` method?