Bip39 Mnemonic. Thanks to the cryptographic structure of BIP-39, a weak passphrase isn't going to lessen the security of the other wallets or support expose the seed words. Should you had been to reveal your seed phrase less than duress, your concealed wallets would keep on being safe and mysterious. https://highkeysocial.com/story4268448/bip-39-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39