Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection for your wallet that works together with your seed phrase to encrypt and secure your wallet. https://apollobookmarks.com/story18718736/ian-coleman-bip39-https-linktr-ee-bip39-how-bip39-generator-can-save-you-time-stress-and-money