Bip39 Mnemonic Generator. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and shield your wallet. https://bookmarkspedia.com/story4183885/bip39-passphrase-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting