Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, Alternatively, is https://210list.com/story19562341/bip-39-https-linktr-ee-bip39-about-ian-coleman-bip39