Bip39 Passphrase. Due to the cryptographic structure of BIP-39, a weak passphrase doesn't lessen the safety of another wallets or help expose the seed words. Anybody else who discovers the phrase can steal the bitcoins. It has to be saved solution, for instance it will have to not be typed https://bookmarkshut.com/story19454516/bip39-passphrase-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list