Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection in your wallet that works along with your seed phrase to encrypt and safeguard your wallet. https://bookmarkchamp.com/story18865170/bip39-mnemonic-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting