Bip39 Tool. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security in your wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, https://letsbookmarkit.com/story19481746/bip39-list-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work