Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works along with your seed phrase to encrypt and shield your wallet. https://bookmarkcitizen.com/story19634654/bip39-wallets-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic