Bip39 Mnemonic. Because of the cryptographic layout of BIP-39, a weak passphrase will not lessen the protection of one other wallets or help reveal the seed words. BIP44 defines a certain critical derivation path framework that allows for taking care of various accounts and coin types in a one wallet, https://bookmarkfly.com/story19073719/ian-coleman-bip39-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39