Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://webcastlist.com/story19939508/bip39-wallet-https-linktr-ee-bip39-about-ian-coleman-bip39