Bip39 List. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security in your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, https://socialevity.com/story20564479/bip39-wallets-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work