Bip39. Thanks to the cryptographic style and design of BIP-39, a weak passphrase doesn't lessen the security of the other wallets or assistance reveal the seed words. Yes, BIP39 passphrases are situation-delicate. Make sure you enter your passphrase specifically while you set it up, like any uppercase or lowercase letters. https://lingeriebookmark.com/story8585852/bip39-word-list-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy