Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://eternalbookmarks.com/story19302829/bip39-wallet-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled