Bip39 Compatible Wallet. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of security for your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, on https://bookmarknap.com/story9293297/bip39-words-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work