Bip39 Word List. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security for your wallet that works together with your seed phrase to encrypt and safeguard your wallet. https://tornadosocial.com/story5100769/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-fundamentals-explained