Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of security to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. https://enrollbookmarks.com/story18872919/bip39-mnemonic-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained