Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, https://listbell.com/story8540188/bip39-generator-https-linktr-ee-bip39-5-essential-elements-for-bip-39