Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, https://thebookpage.com/story4035337/bip39-passphrase-https-linktr-ee-bip39-how-bip39-generator-can-save-you-time-stress-and-money