Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety on your wallet that works along with your seed phrase to encrypt and secure your wallet. https://ledbookmark.com/story4632728/bip39-words-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean