Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, https://brightbookmarks.com/story19051216/bip-39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained