Bip39 Vs Slip39. Due to the cryptographic design and style of BIP-39, a weak passphrase would not lessen the safety of the opposite wallets or help reveal the seed words. BIP39 is really a structure implementation that lays out how copyright wallets build the list of words (or "mnemonic codes") https://total-bookmark.com/story18648263/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-generator