Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security on your wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, on https://wildbookmarks.com/story19338458/bip39-word-list-pdf-https-linktr-ee-bip39-an-unbiased-view-of-bip-39