Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase just 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, https://webnowmedia.com/story4414952/bip39-passphrase-https-linktr-ee-bip39-bip39-words-secrets