Bip39 Word List. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security in your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, https://bookmarkusers.com/story18879920/bip39-wallets-https-linktr-ee-bip39-about-ian-coleman-bip39