Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability to the wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, https://gatherbookmarks.com/story19539570/bip39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39