Bip39 Online. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://highkeysocial.com/story4840126/bip-39-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list