Bip39 Tool. Because of the cryptographic style of BIP-39, a weak passphrase would not reduce the safety of the other wallets or enable expose the seed words. If you incorporate a passphrase to the seed phrase, it entirely variations the derived personal keys and general public addresses on your wallet. https://bookmarknap.com/story8971232/bip-39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39