Bip39 Ian Coleman. Thanks to the cryptographic style and design of BIP-39, a weak passphrase will not reduce the protection of the other wallets or assistance expose the seed words. BIP39 is actually a layout implementation that lays out how copyright wallets develop the set of words (or "mnemonic codes") https://bookmarkshq.com/story20309359/bip39-wallets-https-linktr-ee-bip39-bip39-words-an-overview