Bip39 Online. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, https://sites2000.com/story8308719/bip39-https-linktr-ee-bip39-not-known-facts-about-bip39