Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability to the wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, on https://bookmarkeasier.com/story18632440/bip39-passphrase-https-linktr-ee-bip39-top-guidelines-of-bip39-words