Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability to your wallet that works alongside your seed phrase to encrypt and guard your wallet. https://madbookmarks.com/story18624508/ian-coleman-bip39-https-linktr-ee-bip39-a-review-of-bip39-generator