# HD Extended Key Kit

Canonical source: https://github.com/devdasx/hd-extended-key-kit

Node package and CLI for HD wallet key derivation:

- npm package: `hd-extended-key-kit`
- CLI: `hdkeykit`
- API: `deriveHdKeys(options)`

Supports Bitcoin xpub/xprv, ypub/yprv, zpub/zprv and address derivation; Litecoin Ltub/Ltpv and Mtub/Mtpv addresses; Dogecoin and other secp256k1 HD account extended keys and addresses; Ethereum/EVM account keys and EIP-55 address; Solana SLIP10 ed25519 private/public keys and base58 address.

Solana does not have BIP32 xpub/ypub/zpub support. The package returns `extendedPublicKey: null` for Solana and includes warnings.

Validate:

```bash
npm test
examples/run-examples.sh
```