Bip39 Online. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security on your wallet that works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://getsocialsource.com/story5023869/bip39-passphrase-https-linktr-ee-bip39-not-known-facts-about-bip39