Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. https://bookmarkahref.com/story18776568/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-generator