Bip39 Ian Coleman. Because of the cryptographic style and design of BIP-39, a weak passphrase won't lessen the security of the opposite wallets or enable reveal the seed words. Mnemonics are representation of entropy. Starting point includes creating a choice concerning how much entropy you consider Secure for the functions. https://hubwebsites.com/story20065802/bip39-mnemonic-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled