Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability for your wallet that works along with your seed phrase to encrypt and protect your wallet. https://mirrorbookmarks.com/story19533483/bip39-words-https-linktr-ee-bip39-bip39-generator-an-overview