Bip39 Seed. Thanks to the cryptographic design of BIP-39, a weak passphrase will not lessen the protection of the opposite wallets or help expose the seed words. Sure, BIP39 passphrases are case-delicate. Ensure that you enter your passphrase just when you established it up, like any uppercase or lowercase letters. https://ragingbookmarks.com/story19330994/bip39-wallets-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work