Bip39 light standard https://www.bitsdujour.com/profiles/wWbptt BIP85: A more recent proposal permitting the deterministic derivation of numerous BIP39 mnemonic seeds from a master seed. Thanks to the cryptographic design of BIP-39, a weak passphrase does not reduce the protection of one other wallets or aid reveal the seed words. BC Vault - https://socialdosa.com/story9740560/bip39-node-js-new-step-by-step-map-for-bip39-github-https-dzen-ru-bip39-phrase-com