Bip39 Word List Numbers. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://bookmarksden.com/story18936746/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase