Bip39 Tool. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of stability on your wallet that actually works together with your seed phrase to encrypt and secure your wallet. https://bookmark-share.com/story19169119/bip39-words-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained