HDKey handles hierarchical key generation according to ADR 0008 https://github.com/oasisprotocol/adrs/blob/main/0008-standard-account-key-generation.md
Readonly
Static
Generates a mnemonic
Length in bits of the generated mnemonic
Generated BIP-0039 Mnemonic
Generates the keypair matching the supplied parameters
BIP-0039 Mnemonic
Account index
Optional
Optional BIP-0039 passphrase
SignKeyPair for these parameters
HDKey handles hierarchical key generation according to ADR 0008 https://github.com/oasisprotocol/adrs/blob/main/0008-standard-account-key-generation.md