Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and guard your wallet. https://enrollbookmarks.com/story19451185/bip39-generator-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained