Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, https://redhotbookmarks.com/story19142605/bip39-words-https-linktr-ee-bip39-not-known-details-about-bip39-wallets