Optional generator arguments.
Optional seed?: stringA 32 byte hex-encoded and 0x-prefixed seed or 12-word mnemonic, optionally postfixed with a derivation path (e.g., //authentication-key).
This is case-insensitive.
Optional type?: KnownTypeStringA string indicating desired key type.
A pair of publicKeyMultibase & secretKeyMultibase.
Generates a Multikey encoded keypair from a seed or mnemonic.