Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, https://bookmarkshut.com/story19513756/bip39-mnemonic-https-linktr-ee-bip39-bip39-words-fundamentals-explained